Simplify RenderFrameImpl::ResolveOpener()

content/renderer/render_frame_impl.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_RENDERER_RENDER_FRAME_IMPL_H_
 #define CONTENT_RENDERER_RENDER_FRAME_IMPL_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 208 matching lines @@
     RenderViewImpl* render_view;
     int32_t routing_id;
   };
 
   using CreateRenderFrameImplFunction =
       RenderFrameImpl* (*)(const CreateParams&);
   static void InstallCreateHook(
       CreateRenderFrameImplFunction create_render_frame_impl);
 
   // Looks up and returns the WebFrame corresponding to a given opener frame
-  // routing ID.  Also stores the opener's RenderView routing ID into
-  // |opener_view_routing_id|.
-  //
-  // TODO(alexmos): remove RenderViewImpl's dependency on
-  // opener_view_routing_id.
-  static blink::WebFrame* ResolveOpener(int opener_frame_routing_id,
-                                        int* opener_view_routing_id);
+  // routing ID.
+  static blink::WebFrame* ResolveOpener(int opener_frame_routing_id);
 
   // Overwrites the given URL to use an HTML5 embed if possible.
   blink::WebURL overrideFlashEmbedWithHTML(const blink::WebURL& url) override;
 
   ~RenderFrameImpl() override;
 
   // Called by RenderWidget when meaningful layout has happened.
   // See RenderFrameObserver::DidMeaningfulLayout declaration for details.
   void DidMeaningfulLayout(blink::WebMeaningfulLayout layout_type);
 
@@ skipping 1093 matching lines @@
   bool browser_side_navigation_pending_ = false;
 
   base::WeakPtrFactory<RenderFrameImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderFrameImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_FRAME_IMPL_H_