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Disable prerendering (see #3664)

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This is not currently supported by CEF's frame tracking model.
This commit is contained in:
Marshall Greenblatt
2024-11-21 15:33:31 -05:00
parent e0927d8460
commit 9a14dc9ff7
2 changed files with 33 additions and 17 deletions
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3
libcef/browser/alloy/alloy_browser_host_impl.cc
View File

@@ -1277,7 +1277,8 @@ bool AlloyBrowserHostImpl::IsBackForwardCacheSupported(
content::PreloadingEligibility AlloyBrowserHostImpl::IsPrerender2Supported(
content::WebContents& web_contents) {
return content::PreloadingEligibility::kEligible;
// Prerender is not supported in CEF. See issue #3664.
return content::PreloadingEligibility::kPreloadingDisabled;
}
void AlloyBrowserHostImpl::DraggableRegionsChanged(

47
patch/patches/chrome_browser_browser.patch
View File

@@ -138,7 +138,7 @@ index 4c9e41d73cedd..eed762cd05bf9 100644
]
}
diff --git chrome/browser/ui/browser.cc chrome/browser/ui/browser.cc
index df205a82b34c4..042df3763233b 100644
index df205a82b34c4..888f9c4dc3035 100644
--- chrome/browser/ui/browser.cc
+++ chrome/browser/ui/browser.cc
@@ -272,6 +272,25 @@
@@ -236,7 +236,22 @@ index df205a82b34c4..042df3763233b 100644
}
bool Browser::TabsNeedBeforeUnloadFired() const {
@@ -1809,6 +1858,14 @@ WebContents* Browser::OpenURLFromTab(
@@ -1747,9 +1796,14 @@ bool Browser::IsBackForwardCacheSupported(content::WebContents& web_contents) {
content::PreloadingEligibility Browser::IsPrerender2Supported(
content::WebContents& web_contents) {
+#if BUILDFLAG(ENABLE_CEF)
+ // Prerender is not supported in CEF. See issue #3664.
+ return content::PreloadingEligibility::kPreloadingDisabled;
+#else
Profile* profile =
Profile::FromBrowserContext(web_contents.GetBrowserContext());
return prefetch::IsSomePreloadingEnabled(*profile->GetPrefs());
+#endif
}
bool Browser::ShouldShowStaleContentOnEviction(content::WebContents* source) {
@@ -1809,6 +1863,14 @@ WebContents* Browser::OpenURLFromTab(
std::move(navigation_handle_callback));
}
@@ -251,7 +266,7 @@ index df205a82b34c4..042df3763233b 100644
NavigateParams nav_params(this, params.url, params.transition);
nav_params.FillNavigateParamsFromOpenURLParams(params);
nav_params.source_contents = source;
@@ -1975,6 +2032,8 @@ void Browser::LoadingStateChanged(WebContents* source,
@@ -1975,6 +2037,8 @@ void Browser::LoadingStateChanged(WebContents* source,
bool should_show_loading_ui) {
ScheduleUIUpdate(source, content::INVALIDATE_TYPE_LOAD);
UpdateWindowForLoadingStateChanged(source, should_show_loading_ui);
@@ -260,7 +275,7 @@ index df205a82b34c4..042df3763233b 100644
}
void Browser::CloseContents(WebContents* source) {
@@ -2003,6 +2062,8 @@ void Browser::SetContentsBounds(WebContents* source, const gfx::Rect& bounds) {
@@ -2003,6 +2067,8 @@ void Browser::SetContentsBounds(WebContents* source, const gfx::Rect& bounds) {
}
void Browser::UpdateTargetURL(WebContents* source, const GURL& url) {
@@ -269,7 +284,7 @@ index df205a82b34c4..042df3763233b 100644
if (!GetStatusBubble())
return;
@@ -2010,6 +2071,17 @@ void Browser::UpdateTargetURL(WebContents* source, const GURL& url) {
@@ -2010,6 +2076,17 @@ void Browser::UpdateTargetURL(WebContents* source, const GURL& url) {
GetStatusBubble()->SetURL(url);
}
@@ -287,7 +302,7 @@ index df205a82b34c4..042df3763233b 100644
void Browser::ContentsMouseEvent(WebContents* source, const ui::Event& event) {
const ui::EventType type = event.type();
const bool exited = type == ui::EventType::kMouseExited;
@@ -2038,6 +2110,19 @@ bool Browser::TakeFocus(content::WebContents* source, bool reverse) {
@@ -2038,6 +2115,19 @@ bool Browser::TakeFocus(content::WebContents* source, bool reverse) {
return false;
}
@@ -307,7 +322,7 @@ index df205a82b34c4..042df3763233b 100644
void Browser::BeforeUnloadFired(WebContents* web_contents,
bool proceed,
bool* proceed_to_fire_unload) {
@@ -2137,12 +2222,24 @@ void Browser::WebContentsCreated(WebContents* source_contents,
@@ -2137,12 +2227,24 @@ void Browser::WebContentsCreated(WebContents* source_contents,
// Make the tab show up in the task manager.
task_manager::WebContentsTags::CreateForTabContents(new_contents);
@@ -332,7 +347,7 @@ index df205a82b34c4..042df3763233b 100644
// Don't show the page hung dialog when a HTML popup hangs because
// the dialog will take the focus and immediately close the popup.
RenderWidgetHostView* view = render_widget_host->GetView();
@@ -2155,6 +2252,13 @@ void Browser::RendererUnresponsive(
@@ -2155,6 +2257,13 @@ void Browser::RendererUnresponsive(
void Browser::RendererResponsive(
WebContents* source,
content::RenderWidgetHost* render_widget_host) {
@@ -346,7 +361,7 @@ index df205a82b34c4..042df3763233b 100644
RenderWidgetHostView* view = render_widget_host->GetView();
if (view && !render_widget_host->GetView()->IsHTMLFormPopup()) {
TabDialogs::FromWebContents(source)->HideHungRendererDialog(
@@ -2164,6 +2268,15 @@ void Browser::RendererResponsive(
@@ -2164,6 +2273,15 @@ void Browser::RendererResponsive(
content::JavaScriptDialogManager* Browser::GetJavaScriptDialogManager(
WebContents* source) {
@@ -362,7 +377,7 @@ index df205a82b34c4..042df3763233b 100644
return javascript_dialogs::TabModalDialogManager::FromWebContents(source);
}
@@ -2199,6 +2312,11 @@ void Browser::DraggableRegionsChanged(
@@ -2199,6 +2317,11 @@ void Browser::DraggableRegionsChanged(
if (app_controller_) {
app_controller_->DraggableRegionsChanged(regions, contents);
}
@@ -374,7 +389,7 @@ index df205a82b34c4..042df3763233b 100644
}
void Browser::DidFinishNavigation(
@@ -2279,11 +2397,15 @@ void Browser::EnterFullscreenModeForTab(
@@ -2279,11 +2402,15 @@ void Browser::EnterFullscreenModeForTab(
const blink::mojom::FullscreenOptions& options) {
exclusive_access_manager_->fullscreen_controller()->EnterFullscreenModeForTab(
requesting_frame, options.display_id);
@@ -390,7 +405,7 @@ index df205a82b34c4..042df3763233b 100644
}
bool Browser::IsFullscreenForTabOrPending(const WebContents* web_contents) {
@@ -2486,6 +2608,15 @@ void Browser::RequestMediaAccessPermission(
@@ -2486,6 +2613,15 @@ void Browser::RequestMediaAccessPermission(
content::WebContents* web_contents,
const content::MediaStreamRequest& request,
content::MediaResponseCallback callback) {
@@ -406,7 +421,7 @@ index df205a82b34c4..042df3763233b 100644
const extensions::Extension* extension =
GetExtensionForOrigin(profile_, request.security_origin);
MediaCaptureDevicesDispatcher::GetInstance()->ProcessMediaAccessRequest(
@@ -3046,9 +3177,10 @@ void Browser::RemoveScheduledUpdatesFor(WebContents* contents) {
@@ -3046,9 +3182,10 @@ void Browser::RemoveScheduledUpdatesFor(WebContents* contents) {
// Browser, Getters for UI (private):
StatusBubble* Browser::GetStatusBubble() {
@@ -418,7 +433,7 @@ index df205a82b34c4..042df3763233b 100644
}
// We hide the status bar for web apps windows as this matches native
@@ -3056,6 +3188,12 @@ StatusBubble* Browser::GetStatusBubble() {
@@ -3056,6 +3193,12 @@ StatusBubble* Browser::GetStatusBubble() {
// mode, as the minimal browser UI includes the status bar.
if (web_app::AppBrowserController::IsWebApp(this) &&
!app_controller()->HasMinimalUiButtons()) {
@@ -431,7 +446,7 @@ index df205a82b34c4..042df3763233b 100644
return nullptr;
}
@@ -3205,6 +3343,8 @@ void Browser::SetAsDelegate(WebContents* web_contents, bool set_delegate) {
@@ -3205,6 +3348,8 @@ void Browser::SetAsDelegate(WebContents* web_contents, bool set_delegate) {
BookmarkTabHelper::FromWebContents(web_contents)->RemoveObserver(this);
web_contents_collection_.StopObserving(web_contents);
}
@@ -440,7 +455,7 @@ index df205a82b34c4..042df3763233b 100644
}
void Browser::TabDetachedAtImpl(content::WebContents* contents,
@@ -3359,6 +3499,14 @@ bool Browser::PictureInPictureBrowserSupportsWindowFeature(
@@ -3359,6 +3504,14 @@ bool Browser::PictureInPictureBrowserSupportsWindowFeature(
bool Browser::SupportsWindowFeatureImpl(WindowFeature feature,
bool check_can_support) const {