Add support for external out-of-process PPAPI plugins in the browser.

chrome/browser/chrome_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 CHROME_BROWSER_CHROME_CONTENT_BROWSER_CLIENT_H_
 #define CHROME_BROWSER_CHROME_CONTENT_BROWSER_CLIENT_H_
 
 #include <set>
 #include <string>
 #include <utility>
@@ skipping 187 matching lines @@
                                       const std::string& value) OVERRIDE;
   virtual void ClearInspectorSettings(content::RenderViewHost* rvh) OVERRIDE;
   virtual void BrowserURLHandlerCreated(
       content::BrowserURLHandler* handler) OVERRIDE;
   virtual void ClearCache(content::RenderViewHost* rvh) OVERRIDE;
   virtual void ClearCookies(content::RenderViewHost* rvh) OVERRIDE;
   virtual FilePath GetDefaultDownloadDirectory() OVERRIDE;
   virtual std::string GetDefaultDownloadName() OVERRIDE;
   virtual void DidCreatePpapiPlugin(
       content::BrowserPpapiHost* browser_host) OVERRIDE;
+  virtual content::BrowserPpapiHost* GetExternalBrowserPpapiHost(
+      int plugin_process_id) OVERRIDE;
   virtual bool AllowPepperSocketAPI(content::BrowserContext* browser_context,
                                     const GURL& url) OVERRIDE;
   virtual bool AllowPepperPrivateFileAPI() OVERRIDE;
   virtual FilePath GetHyphenDictionaryDirectory() OVERRIDE;
 
 #if defined(OS_POSIX) && !defined(OS_MACOSX)
   virtual void GetAdditionalMappedFilesForChildProcess(
       const CommandLine& command_line,
       int child_process_id,
       std::vector<content::FileDescriptorInfo>* mappings) OVERRIDE;
@@ skipping 33 matching lines @@
   // Cached version of the locale so we can return the locale on the I/O
   // thread.
   std::string io_thread_application_locale_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeContentBrowserClient);
 };
 
 }  // namespace chrome
 
 #endif  // CHROME_BROWSER_CHROME_CONTENT_BROWSER_CLIENT_H_