OOPIF: Send page-level focus messages to all processes rendering a page.

content/browser/frame_host/render_frame_host_manager.h

Index: content/browser/frame_host/render_frame_host_manager.h
diff --git a/content/browser/frame_host/render_frame_host_manager.h b/content/browser/frame_host/render_frame_host_manager.h
index 3a40ad73e5bc87f71b23a73a81dff4d788ad1f4c..1504c11306793a8184361b48352793d1155df547 100644
--- a/content/browser/frame_host/render_frame_host_manager.h
+++ b/content/browser/frame_host/render_frame_host_manager.h
@@ -498,6 +498,12 @@ class CONTENT_EXPORT RenderFrameHostManager {
   // an inner WebContents.
   void SetRWHViewForInnerContents(RenderWidgetHostView* child_rwhv);
 
+  // Set page-level focus in all SiteInstances involved in rendering the
+  // current FrameTree, not including the current main frame's SiteInstance.
+  // The focus update will be sent via the main frame's proxies in those
+  // SiteInstances. Expected to be called only on the main frame.
+  void ReplicatePageFocus(bool is_focused);
+
   // Returns a copy of the map of proxy hosts. The keys are SiteInstance IDs,
   // the values are RenderFrameProxyHosts.
   std::map<int, RenderFrameProxyHost*> GetAllProxyHostsForTesting();