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https://bitbucket.org/chromiumembedded/cef
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chrome: Add support for Alloy style browsers and windows (see #3681)
Split the Alloy runtime into bootstrap and style components. Support creation of Alloy style browsers and windows with the Chrome runtime. Chrome runtime (`--enable-chrome-runtime`) + Alloy style (`--use-alloy-style`) supports Views (`--use-views`), native parent (`--use-native`) and windowless rendering (`--off-screen-rendering-enabled`). Print preview is supported in all cases except with windowless rendering on all platforms and native parent on MacOS. It is disabled by default with Alloy style for legacy compatibility. Where supported it can be enabled or disabled globally using `--[enable|disable]-print-preview` or configured on a per-RequestContext basis using the `printing.print_preview_disabled` preference. It also behaves as expected when triggered via the PDF viewer print button. Chrome runtime + Alloy style behavior differs from Alloy runtime in the following significant ways: - Supports Chrome error pages by default. - DevTools popups are Chrome style only (cannot be windowless). - The Alloy extension API will not supported. Chrome runtime + Alloy style passes all expected Alloy ceftests except the following: - `DisplayTest.AutoResize` (Alloy extension API not supported) - `DownloadTest.*` (Download API not yet supported) - `ExtensionTest.*` (Alloy extension API not supported) This change also adds Chrome runtime support for CefContextMenuHandler::RunContextMenu (see #3293). This change also explicitly blocks (and doesn't retry) FrameAttached requests from PDF viewer and print preview excluded frames (see #3664). Known issues specific to Chrome runtime + Alloy style: - DevTools popup with windowless rendering doesn't load successfully. Use windowed rendering or remote debugging as a workaround. - Chrome style Window with Alloy style BrowserView (`--use-alloy-style --use-chrome-style-window`) does not show Chrome theme changes. To test: - Run `ceftests --enable-chrome-runtime --use-alloy-style [--use-chrome-style-window] [--use-views|--use-native] --gtest_filter=...` - Run `cefclient --enable-chrome-runtime --use-alloy-style [--use-chrome-style-window] [--use-views|--use-native|--off-screen-rendering-enabled]` - Run `cefsimple --enable-chrome-runtime --use-alloy-style [--use-views]`
This commit is contained in:
@ -15,6 +15,7 @@
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#include "libcef/browser/thread_util.h"
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#include "libcef/browser/views/widget.h"
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#include "libcef/browser/views/window_impl.h"
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#include "libcef/features/runtime.h"
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#include "chrome/browser/profiles/profile.h"
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#include "content/public/common/input/native_web_keyboard_event.h"
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@ -36,6 +37,40 @@ std::optional<cef_gesture_command_t> GetGestureCommand(
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return std::nullopt;
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}
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bool ComputeAlloyStyle(CefBrowserViewDelegate* cef_delegate,
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bool is_devtools_popup) {
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// Alloy style is not supported with Chrome DevTools popups.
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const bool supports_alloy_style =
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cef::IsAlloyRuntimeEnabled() || !is_devtools_popup;
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const bool supports_chrome_style = cef::IsChromeRuntimeEnabled();
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const auto default_style = cef::IsAlloyRuntimeEnabled()
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? CEF_RUNTIME_STYLE_ALLOY
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: CEF_RUNTIME_STYLE_CHROME;
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auto result_style = default_style;
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if (cef_delegate) {
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auto requested_style = cef_delegate->GetBrowserRuntimeStyle();
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if (requested_style == CEF_RUNTIME_STYLE_ALLOY) {
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if (supports_alloy_style) {
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result_style = requested_style;
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} else {
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LOG(ERROR) << "GetBrowserRuntimeStyle() requested Alloy style; only "
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"Chrome style is supported";
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}
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} else if (requested_style == CEF_RUNTIME_STYLE_CHROME) {
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if (supports_chrome_style) {
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result_style = requested_style;
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} else {
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LOG(ERROR) << "GetBrowserRuntimeStyle() requested Chrome style; only "
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"Alloy style is supported";
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}
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}
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}
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return result_style == CEF_RUNTIME_STYLE_ALLOY;
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}
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} // namespace
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// static
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@ -55,8 +90,7 @@ CefRefPtr<CefBrowserView> CefBrowserView::GetForBrowser(
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CefRefPtr<CefBrowser> browser) {
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CEF_REQUIRE_UIT_RETURN(nullptr);
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CefBrowserHostBase* browser_impl =
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static_cast<CefBrowserHostBase*>(browser.get());
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auto browser_impl = CefBrowserHostBase::FromBrowser(browser);
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if (browser_impl && browser_impl->is_views_hosted()) {
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return browser_impl->GetBrowserView();
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}
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@ -86,7 +120,8 @@ CefRefPtr<CefBrowserViewImpl> CefBrowserViewImpl::Create(
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return nullptr;
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}
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CefRefPtr<CefBrowserViewImpl> browser_view = new CefBrowserViewImpl(delegate);
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CefRefPtr<CefBrowserViewImpl> browser_view =
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new CefBrowserViewImpl(delegate, /*is_devtools_popup=*/false);
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browser_view->SetPendingBrowserCreateParams(
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window_info, client, url, settings, extra_info, request_context);
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browser_view->Initialize();
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@ -97,10 +132,12 @@ CefRefPtr<CefBrowserViewImpl> CefBrowserViewImpl::Create(
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// static
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CefRefPtr<CefBrowserViewImpl> CefBrowserViewImpl::CreateForPopup(
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const CefBrowserSettings& settings,
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CefRefPtr<CefBrowserViewDelegate> delegate) {
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CefRefPtr<CefBrowserViewDelegate> delegate,
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bool is_devtools) {
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CEF_REQUIRE_UIT_RETURN(nullptr);
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CefRefPtr<CefBrowserViewImpl> browser_view = new CefBrowserViewImpl(delegate);
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CefRefPtr<CefBrowserViewImpl> browser_view =
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new CefBrowserViewImpl(delegate, is_devtools);
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browser_view->Initialize();
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browser_view->SetDefaults(settings);
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return browser_view;
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@ -175,7 +212,7 @@ CefRefPtr<CefBrowser> CefBrowserViewImpl::GetBrowser() {
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CefRefPtr<CefView> CefBrowserViewImpl::GetChromeToolbar() {
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CEF_REQUIRE_VALID_RETURN(nullptr);
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if (cef::IsChromeRuntimeEnabled()) {
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if (!is_alloy_style_) {
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return chrome_browser_view()->cef_toolbar();
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}
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@ -189,6 +226,11 @@ void CefBrowserViewImpl::SetPreferAccelerators(bool prefer_accelerators) {
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}
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}
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cef_runtime_style_t CefBrowserViewImpl::GetRuntimeStyle() {
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CEF_REQUIRE_VALID_RETURN(CEF_RUNTIME_STYLE_DEFAULT);
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return IsAlloyStyle() ? CEF_RUNTIME_STYLE_ALLOY : CEF_RUNTIME_STYLE_CHROME;
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}
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void CefBrowserViewImpl::RequestFocus() {
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CEF_REQUIRE_VALID_RETURN_VOID();
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// Always execute asynchronously to work around issue #3040.
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@ -229,7 +271,26 @@ void CefBrowserViewImpl::GetDebugInfo(base::Value::Dict* info,
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}
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}
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void CefBrowserViewImpl::OnBrowserViewAdded() {
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void CefBrowserViewImpl::AddedToWidget() {
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DCHECK(!cef_widget_);
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views::Widget* widget = root_view()->GetWidget();
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DCHECK(widget);
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CefWidget* cef_widget = CefWidget::GetForWidget(widget);
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DCHECK(cef_widget);
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if (!browser_) {
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if (cef_widget->IsAlloyStyle() && !is_alloy_style_) {
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LOG(ERROR) << "Cannot add Chrome style BrowserView to Alloy style Window";
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return;
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}
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if (cef_widget->IsChromeStyle() && cef_widget->GetThemeProfile()) {
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LOG(ERROR) << "Cannot add multiple Chrome style BrowserViews";
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return;
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}
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}
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if (!browser_ && pending_browser_create_params_) {
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// Top-level browsers will be created when this view is added to the views
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// hierarchy.
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@ -240,17 +301,8 @@ void CefBrowserViewImpl::OnBrowserViewAdded() {
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pending_browser_create_params_.reset(nullptr);
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}
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}
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void CefBrowserViewImpl::AddedToWidget() {
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DCHECK(!cef_widget_);
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DCHECK(browser_);
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views::Widget* widget = root_view()->GetWidget();
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DCHECK(widget);
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cef_widget_ = CefWidget::GetForWidget(widget);
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DCHECK(cef_widget_);
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cef_widget_ = cef_widget;
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profile_ = Profile::FromBrowserContext(browser_->GetBrowserContext());
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DCHECK(profile_);
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@ -276,7 +328,7 @@ bool CefBrowserViewImpl::OnGestureEvent(ui::GestureEvent* event) {
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return true;
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}
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if (!cef::IsChromeRuntimeEnabled() && browser_) {
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if (is_alloy_style_ && browser_) {
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// Default handling for the Alloy runtime.
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switch (*command) {
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case CEF_GESTURE_COMMAND_BACK:
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@ -294,8 +346,11 @@ bool CefBrowserViewImpl::OnGestureEvent(ui::GestureEvent* event) {
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}
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CefBrowserViewImpl::CefBrowserViewImpl(
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CefRefPtr<CefBrowserViewDelegate> delegate)
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: ParentClass(delegate), weak_ptr_factory_(this) {}
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CefRefPtr<CefBrowserViewDelegate> delegate,
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bool is_devtools_popup)
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: ParentClass(delegate),
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is_alloy_style_(ComputeAlloyStyle(delegate.get(), is_devtools_popup)),
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weak_ptr_factory_(this) {}
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void CefBrowserViewImpl::SetPendingBrowserCreateParams(
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const CefWindowInfo& window_info,
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@ -306,7 +361,8 @@ void CefBrowserViewImpl::SetPendingBrowserCreateParams(
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CefRefPtr<CefRequestContext> request_context) {
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DCHECK(!pending_browser_create_params_);
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pending_browser_create_params_ = std::make_unique<CefBrowserCreateParams>();
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pending_browser_create_params_->MaybeSetWindowInfo(window_info);
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pending_browser_create_params_->MaybeSetWindowInfo(
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window_info, /*allow_alloy_style=*/true, /*allow_chrome_style=*/true);
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pending_browser_create_params_->client = client;
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pending_browser_create_params_->url = url;
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pending_browser_create_params_->settings = settings;
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@ -320,7 +376,7 @@ void CefBrowserViewImpl::SetDefaults(const CefBrowserSettings& settings) {
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}
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views::View* CefBrowserViewImpl::CreateRootView() {
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if (cef::IsChromeRuntimeEnabled()) {
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if (!is_alloy_style_) {
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return new ChromeBrowserView(this);
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}
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@ -328,7 +384,7 @@ views::View* CefBrowserViewImpl::CreateRootView() {
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}
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void CefBrowserViewImpl::InitializeRootView() {
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if (cef::IsChromeRuntimeEnabled()) {
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if (!is_alloy_style_) {
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chrome_browser_view()->Initialize();
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} else {
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static_cast<CefBrowserViewView*>(root_view())->Initialize();
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@ -340,7 +396,7 @@ views::WebView* CefBrowserViewImpl::web_view() const {
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return nullptr;
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}
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if (cef::IsChromeRuntimeEnabled()) {
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if (!is_alloy_style_) {
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return chrome_browser_view()->contents_web_view();
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}
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@ -348,7 +404,7 @@ views::WebView* CefBrowserViewImpl::web_view() const {
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}
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ChromeBrowserView* CefBrowserViewImpl::chrome_browser_view() const {
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CHECK(cef::IsChromeRuntimeEnabled());
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CHECK(!is_alloy_style_);
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return static_cast<ChromeBrowserView*>(root_view());
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}
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