Initial implementation of Google Now Notifications integration

chrome/browser/extensions/component_loader.cc

 // 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.
 
 #include "chrome/browser/extensions/component_loader.h"
 
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/json/json_string_value_serializer.h"
 #include "base/path_service.h"
@@ skipping 397 matching lines @@
     Add(IDR_ECHO_MANIFEST, echo_extension_path);
   }
 
   // Load ChromeVox extension now if spoken feedback is enabled.
   if (local_state_->GetBoolean(prefs::kSpokenFeedbackEnabled)) {
     FilePath path = FilePath(extension_misc::kChromeVoxExtensionPath);
     Add(IDR_CHROMEVOX_MANIFEST, path);
   }
 #endif
 
+#if defined(ENABLE_GOOGLE_NOW)
+  if (CommandLine::ForCurrentProcess()->HasSwitch(
+      switches::kEnableGoogleNowIntegration)) {
+    Add(IDR_GOOGLE_NOW_MANIFEST, FilePath(FILE_PATH_LITERAL("google_now")));
+  }
+#endif
 }
 
 void ComponentLoader::UnloadComponent(ComponentExtensionInfo* component) {
   delete component->manifest;
   if (extension_service_->is_ready()) {
     extension_service_->
         UnloadExtension(component->extension_id,
                         extension_misc::UNLOAD_REASON_DISABLE);
   }
 }
 
 // static
 void ComponentLoader::RegisterUserPrefs(PrefServiceSyncable* prefs) {
   prefs->RegisterStringPref(prefs::kEnterpriseWebStoreURL,
                             std::string() /* default_value */,
                             PrefServiceSyncable::UNSYNCABLE_PREF);
   prefs->RegisterStringPref(prefs::kEnterpriseWebStoreName,
                             std::string() /* default_value */,
                             PrefServiceSyncable::UNSYNCABLE_PREF);
 }
 
 }  // namespace extensions