Add an empty Android implementation of the PhysicalWebDataSource

chrome/browser/browser_process_impl.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.
 
 // When each service is created, we set a flag indicating this. At this point,
 // the service initialization could fail or succeed. This allows us to remember
 // if we tried to create a service, and not try creating it over and over if
 // the creation failed.
 
 #ifndef CHROME_BROWSER_BROWSER_PROCESS_IMPL_H_
@@ skipping 135 matching lines @@
   MediaFileSystemRegistry* media_file_system_registry() override;
   bool created_local_state() const override;
 #if defined(ENABLE_WEBRTC)
   WebRtcLogUploader* webrtc_log_uploader() override;
 #endif
   network_time::NetworkTimeTracker* network_time_tracker() override;
   gcm::GCMDriver* gcm_driver() override;
   memory::TabManager* GetTabManager() override;
   shell_integration::DefaultWebClientState CachedDefaultWebClientState()
       override;
+  PhysicalWebDataSource* GetPhysicalWebDataSource() override;
 
   static void RegisterPrefs(PrefRegistrySimple* registry);
 
  private:
   // KeepAliveStateObserver implementation
   void OnKeepAliveStateChanged(bool is_keeping_alive) override;
   void OnKeepAliveRestartStateChanged(bool can_restart) override;
 
   void CreateWatchdogThread();
   void CreateProfileManager();
   void CreateLocalState();
   void CreateViewedPageTracker();
   void CreateIconManager();
   void CreateIntranetRedirectDetector();
   void CreateNotificationPlatformBridge();
   void CreateNotificationUIManager();
   void CreateStatusTrayManager();
   void CreatePrintPreviewDialogController();
   void CreateBackgroundPrintingManager();
   void CreateSafeBrowsingService();
   void CreateSafeBrowsingDetectionService();
   void CreateSubresourceFilterRulesetService();
   void CreateStatusTray();
   void CreateBackgroundModeManager();
   void CreateGCMDriver();
+  void CreatePhysicalWebDataSource();
 
   void ApplyAllowCrossOriginAuthPromptPolicy();
   void ApplyDefaultBrowserPolicy();
   void ApplyMetricsReportingPolicy();
 
   void CacheDefaultWebClientState();
 
   // Methods called to control our lifetime. The browser process can be "pinned"
   // to make sure it keeps running.
   void Pin();
@@ skipping 146 matching lines @@
   std::unique_ptr<ChromeDeviceClient> device_client_;
 
 #if defined(OS_WIN) || defined(OS_MACOSX) || defined(OS_LINUX)
   // Any change to this #ifdef must be reflected as well in
   // chrome/browser/memory/tab_manager_browsertest.cc
   std::unique_ptr<memory::TabManager> tab_manager_;
 #endif
 
   shell_integration::DefaultWebClientState cached_default_web_client_state_;
 
+  std::unique_ptr<PhysicalWebDataSource> physical_web_data_source_;
+
   DISALLOW_COPY_AND_ASSIGN(BrowserProcessImpl);
 };
 
 #endif  // CHROME_BROWSER_BROWSER_PROCESS_IMPL_H_