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

content/browser/web_contents/web_contents_impl.cc

Index: content/browser/web_contents/web_contents_impl.cc
diff --git a/content/browser/web_contents/web_contents_impl.cc b/content/browser/web_contents/web_contents_impl.cc
index a938e330d89984cf0a2911855a2209a2f6ea33ba..6b1407b78e0ace939218a24a5478b0c23d48f1c3 100644
--- a/content/browser/web_contents/web_contents_impl.cc
+++ b/content/browser/web_contents/web_contents_impl.cc
@@ -1580,6 +1580,16 @@ RenderWidgetHostInputEventRouter* WebContentsImpl::GetInputEventRouter() {
   return rwh_input_event_router_.get();
 }
 
+void WebContentsImpl::ReplicatePageFocus(bool is_focused) {
+  // Focus loss may occur while this WebContents is being destroyed.  Don't
+  // send the message in this case, as the main frame's RenderFrameHost and
+  // other state has already been cleared.
+  if (is_being_destroyed_)
+    return;
+
+  frame_tree_.ReplicatePageFocus(is_focused);
+}
+
 void WebContentsImpl::EnterFullscreenMode(const GURL& origin) {
   // This method is being called to enter renderer-initiated fullscreen mode.
   // Make sure any existing fullscreen widget is shut down first.