browser: Move FindTabbedBrowser() function into chrome namespace.

chrome/browser/ui/ash/launcher/chrome_launcher_controller_per_browser.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/ui/ash/launcher/chrome_launcher_controller_per_browser.h"
 
 #include <vector>
 
 #include "ash/launcher/launcher_model.h"
 #include "ash/shell.h"
@@ skipping 750 matching lines @@
   return profile_->GetExtensionService()->GetInstalledExtension(app_id);
 }
 
 void ChromeLauncherControllerPerBrowser::OnBrowserShortcutClicked(
     int event_flags) {
   if (event_flags & ui::EF_CONTROL_DOWN) {
     CreateNewWindow();
     return;
   }
 
-  Browser* last_browser = browser::FindTabbedBrowser(
+  Browser* last_browser = chrome::FindTabbedBrowser(
       GetProfileForNewWindows(), true, chrome::HOST_DESKTOP_TYPE_ASH);
 
   if (!last_browser) {
     CreateNewWindow();
     return;
   }
 
   aura::Window* window = last_browser->window()->GetNativeWindow();
   window->Show();
   ash::wm::ActivateWindow(window);
@@ skipping 424 matching lines @@
 void ChromeLauncherControllerPerBrowser::SetAppIconLoaderForTest(
     AppIconLoader* loader) {
   app_icon_loader_.reset(loader);
 }
 
 const std::string&
 ChromeLauncherControllerPerBrowser::GetAppIdFromLauncherIdForTest(
     ash::LauncherID id) {
   return id_to_item_controller_map_[id]->app_id();
 }