Navigation transitions: Block first response until after transitions have run.

content/browser/renderer_host/render_view_host_impl.h

Index: content/browser/renderer_host/render_view_host_impl.h
diff --git a/content/browser/renderer_host/render_view_host_impl.h b/content/browser/renderer_host/render_view_host_impl.h
index 0fc5b28d880583ba3db7d4d0b09c3f4f04c150d3..2f5b4af378ebdf79eba16ee989d1690f3cfb84d3 100644
--- a/content/browser/renderer_host/render_view_host_impl.h
+++ b/content/browser/renderer_host/render_view_host_impl.h
@@ -330,6 +330,11 @@ class CONTENT_EXPORT RenderViewHostImpl
   // and cleared when we hear the response or commit.
   void SetHasPendingCrossSiteRequest(bool has_pending_request);
 
+  // Sets whether this RenderViewHost has an outstanding transition request.
+  // This is called at the start of a provisional load for the main frame,
+  // and cleared when we hear the response or commit.
+  void SetHasPendingTransitionRequest(bool has_pending_request);

[nasko, 2014/05/28 22:59:00]

Please don't add any more code to RenderViewHost, as it is actively being
slimmed down and scheduled for extinction. This code belongs to RenderFrameHost.

[shatch, 2014/05/29 21:41:22]

Done.

+
   // Tells the renderer view to focus the first (last if reverse is true) node.
   void SetInitialFocus(bool reverse);