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Remove usage of FrameTreeNode IDs (see issue #2421)

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With the introduction of prerendering in Chromium it is now possible for
RenderFrameHosts (RFH) to move between FrameTrees. As a consequence we can no
longer rely on FrameTreeNode IDs to uniquely identify a RFH over its lifespan.
We must now switch to using GlobalRenderFrameHostId (child_id, frame_routing_id)
instead for that purpose. Additionally, we simplify existing code by using the
GlobalRenderFrameHostId struct in all places that previously used a
(render_process_id, render_frame_id) pair, since these concepts are equivalent.

See https://crbug.com/1179502#c8 for additional background.
This commit is contained in:
Marshall Greenblatt
2021-08-19 17:07:44 -04:00
parent cfdec92624
commit 955097ea77
33 changed files with 506 additions and 781 deletions
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2
libcef/browser/net_service/resource_request_handler_wrapper.h
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@ -38,7 +38,7 @@ std::unique_ptr<InterceptedRequestHandler> CreateInterceptedRequestHandler(
// Create an InterceptedRequestHandler that will delegate to a
// CefResourceRequestHandler. The resulting object should be passed to
// ProxyURLLoaderFactory::CreateProxy. Called on the IO thread only.
// ProxyURLLoaderFactory::CreateProxy. Called on the UI thread only.
std::unique_ptr<InterceptedRequestHandler> CreateInterceptedRequestHandler(
content::WebContents::Getter web_contents_getter,
int frame_tree_node_id,