browser: Move FindTabbedBrowser() function into chrome namespace.

chrome/browser/ui/ash/launcher/chrome_launcher_controller_per_app.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_app.h"
 
 #include <vector>
 
 #include "ash/launcher/launcher_model.h"
 #include "ash/shell.h"
@@ skipping 726 matching lines @@
   return profile_->GetExtensionService()->GetInstalledExtension(app_id);
 }
 
 void ChromeLauncherControllerPerApp::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 476 matching lines @@
     FaviconTabHelper* favicon_tab_helper =
         FaviconTabHelper::FromWebContents(web_contents);
     gfx::Image app_icon = favicon_tab_helper->GetFavicon();
     items->push_back(new ChromeLauncherAppMenuItemBrowser(
                              web_contents->GetTitle(),
                              app_icon.IsEmpty() ? NULL : &app_icon,
                              browser));
   }
   return items;
 }