DescriptionBroadcast prerender URLs to all render processes.
Before this change, a render-initiated navigation could only swap to a prerender if the prerender was created via a <link rel="prerender"> element from a RenderView within the same render process.
Now that we are experimenting with local-browsing based prerenders, this means that a lot of prerenders may never be used. The prerenders are created in the browser process, and need to be advertised to all render processes.
There is a slight risk that an owned render process can spy on some navigations that a user does due to the broadcast.
BUG=239180
Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=200223
Patch Set 1 #Patch Set 2 : Fix unit_tests #Patch Set 3 : Include vector #Patch Set 4 : Remove comment #Patch Set 5 : More unit tests #
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