Start moving context menu code to RenderFrame.

content/shell/browser/shell_web_contents_view_delegate_mac.mm

 // 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.
 
 #include "content/shell/browser/shell_web_contents_view_delegate.h"
 
 #import  <Cocoa/Cocoa.h>
 
 #include "base/command_line.h"
 #include "content/public/browser/render_process_host.h"
@@ skipping 75 matching lines @@
 
 ShellWebContentsViewDelegate::ShellWebContentsViewDelegate(
     WebContents* web_contents)
     : web_contents_(web_contents) {
 }
 
 ShellWebContentsViewDelegate::~ShellWebContentsViewDelegate() {
 }
 
 void ShellWebContentsViewDelegate::ShowContextMenu(
+    RenderFrameHost* render_frame_host,
     const ContextMenuParams& params) {
   if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kDumpRenderTree))
     return;
 
   params_ = params;
   bool has_link = !params_.unfiltered_link_url.is_empty();
   bool has_selection = ! params_.selection_text.empty();
 
   NSMenu* menu = [[[NSMenu alloc] initWithTitle:@""] autorelease];
   ShellContextMenuDelegate* delegate =
@@ skipping 162 matching lines @@
   return NULL;
 }
 
 NSObject<RenderWidgetHostViewMacDelegate>*
 ShellWebContentsViewDelegate::CreateRenderWidgetHostViewDelegate(
     content::RenderWidgetHost* render_widget_host) {
   return NULL;
 }
 
 }  // namespace content