Almost finish moving context_menu_node_ from RenderViewImpl to RenderFrameImpl.

chrome/browser/renderer_context_menu/render_view_context_menu.cc

 // Copyright 2014 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.
 
 #include "chrome/browser/renderer_context_menu/render_view_context_menu.h"
 
 #include <algorithm>
 #include <set>
 #include <utility>
 
@@ skipping 1426 matching lines @@
   ObserverListBase<RenderViewContextMenuObserver>::Iterator it(observers_);
   RenderViewContextMenuObserver* observer;
   while ((observer = it.GetNext()) != NULL) {
     if (observer->IsCommandIdSupported(id))
       return observer->ExecuteCommand(id);
   }
 
   RecordUsedItem(id);
 
   RenderViewHost* rvh = source_web_contents_->GetRenderViewHost();
+  RenderFrameHost* render_frame_host =
+      RenderFrameHost::FromID(render_process_id_, render_frame_id_);
 
   // Process custom actions range.
   if (id >= IDC_CONTENT_CONTEXT_CUSTOM_FIRST &&
       id <= IDC_CONTENT_CONTEXT_CUSTOM_LAST) {
     unsigned action = id - IDC_CONTENT_CONTEXT_CUSTOM_FIRST;
     const content::CustomContextMenuContext& context = params_.custom_context;
 #if defined(ENABLE_PLUGINS)
     if (context.request_id && !context.is_pepper_menu) {
       ChromePluginServiceFilter::GetInstance()->AuthorizeAllPlugins(
         source_web_contents_, false, std::string());
     }
 #endif
-    RenderFrameHost* render_frame_host =
-        RenderFrameHost::FromID(render_process_id_, render_frame_id_);
     if (render_frame_host)
       render_frame_host->ExecuteCustomContextMenuCommand(action, context);
     return;
   }
 
   // Process extension menu items.
   if (id >= IDC_EXTENSIONS_CONTEXT_CUSTOM_FIRST &&
       id <= IDC_EXTENSIONS_CONTEXT_CUSTOM_LAST) {
     extension_items_.ExecuteCommand(id, source_web_contents_, params_);
     return;
@@ skipping 319 matching lines @@
 
     case IDC_CONTENT_CONTEXT_UNDO:
       rvh->Undo();
       break;
 
     case IDC_CONTENT_CONTEXT_REDO:
       rvh->Redo();
       break;
 
     case IDC_CONTENT_CONTEXT_CUT:
-      rvh->Cut();
+      if (render_frame_host)
+        render_frame_host->Cut();
       break;
 
     case IDC_CONTENT_CONTEXT_COPY:
-      rvh->Copy();
+      if (render_frame_host)
+        render_frame_host->Copy();
       break;
 
     case IDC_CONTENT_CONTEXT_PASTE:
-      rvh->Paste();
+      if (render_frame_host)
+        render_frame_host->Paste();
       break;
 
     case IDC_CONTENT_CONTEXT_PASTE_AND_MATCH_STYLE:
       rvh->PasteAndMatchStyle();
       break;
 
     case IDC_CONTENT_CONTEXT_DELETE:
       rvh->Delete();
       break;
 
@@ skipping 226 matching lines @@
   source_web_contents_->GetRenderViewHost()->
       ExecuteMediaPlayerActionAtLocation(location, action);
 }
 
 void RenderViewContextMenu::PluginActionAt(
     const gfx::Point& location,
     const WebPluginAction& action) {
   source_web_contents_->GetRenderViewHost()->
       ExecutePluginActionAtLocation(location, action);
 }