Chromium side of moving clearContextMenu from WebViewClient to WebFrameClient.

content/renderer/render_view_impl.h

 // Copyright (c) 2012 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_VIEW_IMPL_H_
 #define CONTENT_RENDERER_RENDER_VIEW_IMPL_H_
 
 #include <deque>
 #include <map>
 #include <set>
@@ skipping 427 matching lines @@
                                      const blink::WebString& main_text,
                                      const blink::WebString& sub_text,
                                      blink::WebTextDirection hint) OVERRIDE;
   virtual void hideValidationMessage() OVERRIDE;
   virtual void moveValidationMessage(
       const blink::WebRect& anchor_in_root_view) OVERRIDE;
 
   // DEPRECATED
   virtual bool runModalBeforeUnloadDialog(blink::WebFrame* frame,
                                           const blink::WebString& message);
+#if !defined(CLEAR_CONTEXT_MENU_ON_WEB_FRAME_CLIENT)

[jamesr, 2014/03/06 21:59:26]

don't think you should need this - if the base class doesn't define
clearContextMenu() then this is still a valid virtual function on RenderViewImpl

   virtual void clearContextMenu();
+#endif
   virtual void setStatusText(const blink::WebString& text);
   virtual void setMouseOverURL(const blink::WebURL& url);
   virtual void setKeyboardFocusURL(const blink::WebURL& url);
   virtual void startDragging(blink::WebFrame* frame,
                              const blink::WebDragData& data,
                              blink::WebDragOperationsMask mask,
                              const blink::WebImage& image,
                              const blink::WebPoint& imageOffset);
   virtual bool acceptsLoadDrops();
   virtual void focusNext();
@@ skipping 987 matching lines @@
   // use the Observer interface to filter IPC messages and receive frame change
   // notifications.
   // ---------------------------------------------------------------------------
 
   DISALLOW_COPY_AND_ASSIGN(RenderViewImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_VIEW_IMPL_H_