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Fix ceftest failures with BackForwardCache enabled (see issue #2421)

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When BackForwardCache is enabled the old RFH tree may be cached instead of being
immediately deleted as a result of main frame navigation. If a RFH is cached
then delivery of the CefFrameHandler::OnFrameDetached callback will be delayed
until the the RFH is ejected from the cache (possibly not occurring until the
browser is destroyed). This change in OnFrameDetached timing was causing
FrameHandlerTest.OrderSubCrossOrigin* to fail, and the inclusion of cached
frames in CefBrowserInfo::GetAllFrames was causing
FrameTest.NestedIframesDiffOrigin to fail.

BackForwardCache is currently being tested via field trials (see
https://crbug.com/1171298) and can be explicitly disabled using the
`--disable-back-forward-cache` or `--disable-features=BackForwardCache`
command-line flags.
This commit is contained in:
Marshall Greenblatt
2021-07-25 13:31:39 -04:00
parent 645b62257c
commit 92ec2dcbdd
7 changed files with 296 additions and 115 deletions
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4
libcef/browser/browser_contents_delegate.h
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@@ -108,6 +108,10 @@ class CefBrowserContentsDelegate : public content::WebContentsDelegate,
void RenderFrameCreated(content::RenderFrameHost* render_frame_host) override;
void RenderFrameHostChanged(content::RenderFrameHost* old_host,
content::RenderFrameHost* new_host) override;
void RenderFrameHostStateChanged(
content::RenderFrameHost* host,
content::RenderFrameHost::LifecycleState old_state,
content::RenderFrameHost::LifecycleState new_state) override;
void RenderFrameDeleted(content::RenderFrameHost* render_frame_host) override;
void RenderViewReady() override;
void RenderProcessGone(base::TerminationStatus status) override;