Hold cros_component_installers in browser_process.

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_
 #define CHROME_BROWSER_BROWSER_PROCESS_IMPL_H_
 
 #include <stdint.h>
 
 #include <memory>
 #include <string>
 
 #include "base/debug/stack_trace.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/threading/non_thread_safe.h"
 #include "base/timer/timer.h"
 #include "build/build_config.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/lifetime/keep_alive_state_observer.h"
 #include "chrome/common/features.h"
+#include "components/component_updater/default_component_installer.h"
 #include "components/prefs/pref_change_registrar.h"
 #include "extensions/features/features.h"
 #include "media/media_features.h"
 #include "ppapi/features/features.h"
 #include "printing/features/features.h"
 
 class ChromeChildProcessWatcher;
 class ChromeDeviceClient;
 class ChromeResourceDispatcherHostDelegate;
 class DevToolsAutoOpener;
@@ skipping 117 matching lines @@
   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;
   physical_web::PhysicalWebDataSource* GetPhysicalWebDataSource() override;
 
   static void RegisterPrefs(PrefRegistrySimple* registry);
+#if defined(OS_CHROMEOS)
+  component_updater::DefaultComponentInstaller* cros_component_installer(
+      const std::string& name,
+      std::unique_ptr<component_updater::ComponentInstallerTraits>
+          installer_traits) override;
+#endif
 
  private:
   // KeepAliveStateObserver implementation
   void OnKeepAliveStateChanged(bool is_keeping_alive) override;
   void OnKeepAliveRestartStateChanged(bool can_restart) override;
 
   void CreateWatchdogThread();
   void CreateProfileManager();
   void CreateLocalState();
   void CreateViewedPageTracker();
@@ skipping 173 matching lines @@
   // 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<physical_web::PhysicalWebDataSource>
       physical_web_data_source_;
 
+#if defined(OS_CHROMEOS)
+  std::map<std::string,
+           scoped_refptr<component_updater::DefaultComponentInstaller>>
+      cros_component_installers_;
+#endif
+
   DISALLOW_COPY_AND_ASSIGN(BrowserProcessImpl);
 };
 
 #endif  // CHROME_BROWSER_BROWSER_PROCESS_IMPL_H_