Adds a skeleton component app for Always-On Hotwording opt-in flow.

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 <string>
 
 #include "base/command_line.h"
 #include "base/file_util.h"
@@ skipping 283 matching lines @@
 #endif
 }
 
 void ComponentLoader::AddHangoutServicesExtension() {
 #if defined(GOOGLE_CHROME_BUILD) || defined(ENABLE_HANGOUT_SERVICES_EXTENSION)
   Add(IDR_HANGOUT_SERVICES_MANIFEST,
       base::FilePath(FILE_PATH_LITERAL("hangout_services")));
 #endif
 }
 
+void ComponentLoader::AddHotwordAudioVerificationApp() {
+  CommandLine* command_line = CommandLine::ForCurrentProcess();
+  if (command_line->HasSwitch(switches::kEnableExperimentalHotwording)) {
+    Add(IDR_HOTWORD_AUDIO_VERIFICATION_MANIFEST,
+        base::FilePath(FILE_PATH_LITERAL("hotword_audio_verification")));
+  }
+}
+
 void ComponentLoader::AddHotwordHelperExtension() {
   if (HotwordServiceFactory::IsHotwordAllowed(browser_context_)) {
     CommandLine* command_line = CommandLine::ForCurrentProcess();
     if (command_line->HasSwitch(switches::kEnableExperimentalHotwording)) {
       Add(IDR_HOTWORD_MANIFEST,
           base::FilePath(FILE_PATH_LITERAL("hotword")));
     } else {
       Add(IDR_HOTWORD_HELPER_MANIFEST,
           base::FilePath(FILE_PATH_LITERAL("hotword_helper")));
     }
@@ skipping 137 matching lines @@
   Add(IDR_BOOKMARKS_MANIFEST,
       base::FilePath(FILE_PATH_LITERAL("bookmark_manager")));
   // Cloud Print component app. Not required on Chrome OS.
   Add(IDR_CLOUDPRINT_MANIFEST,
       base::FilePath(FILE_PATH_LITERAL("cloud_print")));
 #endif
 
   if (!skip_session_components) {
     AddWebStoreApp();
     AddChromeApp();
+    AddHotwordAudioVerificationApp();

[benwells, 2014/08/25 03:21:58]

I think tihs should be moved down to
AddDefaultComponentExtensionsWithBackgroundPages, as apps have background pages.

[kcarattini, 2014/08/25 04:04:25]

Done.

   }
 
   AddKeyboardApp();
 
   AddDefaultComponentExtensionsWithBackgroundPages(skip_session_components);
 }
 
 void ComponentLoader::AddDefaultComponentExtensionsForKioskMode(
     bool skip_session_components) {
   // No component extension for kiosk app launch splash screen.
@@ skipping 162 matching lines @@
         off_the_record_context, Extension::GetBaseURLFromExtensionId(id));
     fileapi::FileSystemContext* file_system_context =
         content::BrowserContext::GetStoragePartitionForSite(
             off_the_record_context, site)->GetFileSystemContext();
     file_system_context->EnableTemporaryFileSystemInIncognito();
   }
 #endif
 }
 
 }  // namespace extensions