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Move message routing from CefBrowser to CefFrame (see issue #2498).

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This change moves the SendProcessMessage method from CefBrowser to CefFrame and
adds CefBrowser parameters to OnProcessMessageReceived and
OnDraggableRegionsChanged.

The internal implementation has changed as follows:
- Frame IDs are now a 64-bit combination of the 32-bit render_process_id and
  render_routing_id values that uniquely identify a RenderFrameHost (RFH).
- CefFrameHostImpl objects are now managed by CefBrowserInfo with life span tied
  to RFH expectations. Specifically, a CefFrameHostImpl object representing a
  sub-frame will be created when a RenderFrame is created in the renderer
  process and detached when the associated RenderFrame is deleted or the
  renderer process in which it runs has died.
- The CefFrameHostImpl object representing the main frame will always be valid
  but the underlying RFH (and associated frame ID) may change over time as a
  result of cross-origin navigations. Despite these changes calling LoadURL on
  the main frame object in the browser process will always navigate as expected.
- Speculative RFHs, which may be created as a result of a cross-origin
  navigation and discarded if that navigation is not committed, are now handled
  correctly (e.g. ignored in most cases until they're committed).
- It is less likely, but still possible, to receive a CefFrame object with an
  invalid frame ID (ID < 0). This can happen in cases where a RFH has not yet
  been created for a sub-frame. For example, when OnBeforeBrowse is called
  before initiating navigation in a previously nonexisting sub-frame.

To test: All tests pass with NetworkService enabled and disabled.
This commit is contained in:
Marshall Greenblatt
2019-05-24 23:23:43 +03:00
parent 35295d2e27
commit 241941a44a
80 changed files with 2382 additions and 2378 deletions
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14
libcef/browser/extensions/browser_extensions_util.cc
View File

@@ -61,9 +61,10 @@ content::WebContents* GetOwnerForGuestContents(content::WebContents* guest) {
return NULL;
}
CefRefPtr<CefBrowserHostImpl> GetOwnerBrowserForFrame(int render_process_id,
int render_routing_id,
bool* is_guest_view) {
CefRefPtr<CefBrowserHostImpl> GetOwnerBrowserForFrameRoute(
int render_process_id,
int render_routing_id,
bool* is_guest_view) {
if (CEF_CURRENTLY_ON_UIT()) {
// Use the non-thread-safe but potentially faster approach.
content::RenderFrameHost* host =
@@ -74,7 +75,7 @@ CefRefPtr<CefBrowserHostImpl> GetOwnerBrowserForFrame(int render_process_id,
} else {
// Use the thread-safe approach.
scoped_refptr<CefBrowserInfo> info =
CefBrowserInfoManager::GetInstance()->GetBrowserInfoForFrame(
CefBrowserInfoManager::GetInstance()->GetBrowserInfoForFrameRoute(
render_process_id, render_routing_id, is_guest_view);
if (info.get()) {
CefRefPtr<CefBrowserHostImpl> browser = info->browser();
@@ -143,9 +144,8 @@ CefRefPtr<CefBrowserHostImpl> GetBrowserForTabId(
CefBrowserContext* browser_context_impl =
CefBrowserContext::GetForContext(browser_context);
CefBrowserInfoManager::BrowserInfoList list;
CefBrowserInfoManager::GetInstance()->GetBrowserInfoList(list);
for (auto browser_info : list) {
for (const auto& browser_info :
CefBrowserInfoManager::GetInstance()->GetBrowserInfoList()) {
CefRefPtr<CefBrowserHostImpl> current_browser = browser_info->browser();
if (current_browser && current_browser->GetIdentifier() == tab_id) {
// Make sure we're operating in the same BrowserContextImpl.