NOT YET READY: Improve granularity of window namespaces in Blink.

content/public/renderer/content_renderer_client.h

Index: content/public/renderer/content_renderer_client.h
diff --git a/content/public/renderer/content_renderer_client.h b/content/public/renderer/content_renderer_client.h
index 3cfb080801899eead43a67572ba0cd296cbe7053..729de041fd506586db7db31f4884362db50ac01e 100644
--- a/content/public/renderer/content_renderer_client.h
+++ b/content/public/renderer/content_renderer_client.h
@@ -370,6 +370,12 @@ class CONTENT_EXPORT ContentRendererClient {
 
   // Returns true if the media pipeline can be suspended, or false otherwise.
   virtual bool AllowMediaSuspend();
+
+  // Called when Blink cannot find a frame with the given name in the frame's
+  // browsing instance.  This gives the embedder a chance to return a frame
+  // from outside of the browsing instance.
+  virtual blink::WebFrame* FindFrame(blink::WebLocalFrame* relative_to_frame,
+                                     const std::string& name);
 };
 
 }  // namespace content