Move c/b/extension/api/* into extensions namespace

chrome/browser/ui/ash/chrome_shell_delegate_chromeos.cc

 // Copyright 2013 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/ui/ash/chrome_shell_delegate.h"
 
 #include "apps/native_app_window.h"
 #include "apps/shell_window_registry.h"
 #include "ash/keyboard_overlay/keyboard_overlay_view.h"
 #include "ash/wm/mru_window_tracker.h"
@@ skipping 91 matching lines @@
       chrome::OpenApplication(
           chrome::AppLaunchParams(profile, extension, 0 /* event_flags */));
     } else {
       // Activate the existing window.
       list.front()->GetBaseWindow()->Activate();
     }
   }
 }
 
 void ChromeShellDelegate::OpenCrosh() {
-  GURL crosh_url = TerminalExtensionHelper::GetCroshExtensionURL(
+  GURL crosh_url = extensions::TerminalExtensionHelper::GetCroshExtensionURL(
       ProfileManager::GetDefaultProfileOrOffTheRecord());
   if (!crosh_url.is_valid())
     return;
   Browser* browser = GetTargetBrowser();
   content::WebContents* page = browser->OpenURL(
       content::OpenURLParams(crosh_url,
                              content::Referrer(),
                              NEW_FOREGROUND_TAB,
                              content::PAGE_TRANSITION_GENERATED,
                              false));
@@ skipping 143 matching lines @@
 }
 
 void ChromeShellDelegate::PlatformInit() {
   registrar_.Add(this,
                  chrome::NOTIFICATION_LOGIN_USER_PROFILE_PREPARED,
                  content::NotificationService::AllSources());
   registrar_.Add(this,
                  chrome::NOTIFICATION_SESSION_STARTED,
                  content::NotificationService::AllSources());
 }