Browser Plugin: Only install BrowserPluginMessageFilter if render process supports BrowserPlugin.

content/shell/shell_content_browser_client.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_SHELL_SHELL_CONTENT_BROWSER_CLIENT_H_
 #define CONTENT_SHELL_SHELL_CONTENT_BROWSER_CLIENT_H_
 
 #include <string>
 
 #include "base/compiler_specific.h"
@@ skipping 26 matching lines @@
       bool in_memory,
       ProtocolHandlerMap* protocol_handlers) OVERRIDE;
   virtual void AppendExtraCommandLineSwitches(CommandLine* command_line,
                                               int child_process_id) OVERRIDE;
   virtual void OverrideWebkitPrefs(RenderViewHost* render_view_host,
                                    const GURL& url,
                                    webkit_glue::WebPreferences* prefs) OVERRIDE;
   virtual void ResourceDispatcherHostCreated() OVERRIDE;
   virtual AccessTokenStore* CreateAccessTokenStore() OVERRIDE;
   virtual std::string GetDefaultDownloadName() OVERRIDE;
+  virtual bool SupportsBrowserPlugin(content::BrowserContext* browser_context,
+                                     const GURL& url) OVERRIDE;
   virtual WebContentsViewDelegate* GetWebContentsViewDelegate(
       WebContents* web_contents) OVERRIDE;
 
 #if defined(OS_ANDROID)
   virtual void GetAdditionalMappedFilesForChildProcess(
       const CommandLine& command_line,
       int child_process_id,
       std::vector<content::FileDescriptorInfo>* mappings) OVERRIDE;
 #endif
 
@@ skipping 16 matching lines @@
   base::FilePath webkit_source_dir_;
 
   base::PlatformFile hyphen_dictionary_file_;
 
   ShellBrowserMainParts* shell_browser_main_parts_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_SHELL_SHELL_CONTENT_BROWSER_CLIENT_H_