Remove "open in new tab" items from context menu if the process doesn't

content/shell/shell_content_browser_client.h

 // Copyright (c) 2011 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_SHELL_SHELL_CONTENT_BROWSER_CLIENT_H_
 #define CONTENT_SHELL_SHELL_CONTENT_BROWSER_CLIENT_H_
 #pragma once
 
 #include <string>
 
@@ skipping 32 matching lines @@
       RenderViewHost* render_view_host) OVERRIDE;
   virtual void RenderProcessHostCreated(
       RenderProcessHost* host) OVERRIDE;
   virtual void PluginProcessHostCreated(PluginProcessHost* host) OVERRIDE;
   virtual WebUIFactory* GetWebUIFactory() OVERRIDE;
   virtual GURL GetEffectiveURL(content::BrowserContext* browser_context,
                                const GURL& url) OVERRIDE;
   virtual bool ShouldUseProcessPerSite(BrowserContext* browser_context,
                                        const GURL& effective_url) OVERRIDE;
   virtual bool IsURLSameAsAnySiteInstance(const GURL& url) OVERRIDE;
+  virtual bool IsHandledURL(const GURL& url) OVERRIDE;
   virtual bool IsSuitableHost(RenderProcessHost* process_host,
                               const GURL& site_url) OVERRIDE;
   virtual void SiteInstanceGotProcess(SiteInstance* site_instance) OVERRIDE;
   virtual void SiteInstanceDeleting(SiteInstance* site_instance) OVERRIDE;
   virtual bool ShouldSwapProcessesForNavigation(const GURL& current_url,
                                                 const GURL& new_url) OVERRIDE;
 
   virtual std::string GetCanonicalEncodingNameByAliasName(
       const std::string& alias_name) OVERRIDE;
   virtual void AppendExtraCommandLineSwitches(CommandLine* command_line,
@@ skipping 116 matching lines @@
       const ViewHostMsg_CreateWindow_Params& params) OVERRIDE;
 #endif
 
  private:
   ShellBrowserMainParts* shell_browser_main_parts_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_SHELL_SHELL_CONTENT_BROWSER_CLIENT_H_