browser: Move FindBrowserWithWebContents() into chrome namespace.

chrome/browser/extensions/extension_tab_util.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/extension_tab_util.h"
 
 #include "chrome/browser/extensions/api/tabs/tabs_constants.h"
 #include "chrome/browser/extensions/tab_helper.h"
 #include "chrome/browser/extensions/window_controller.h"
 #include "chrome/browser/net/url_fixer_upper.h"
@@ skipping 250 matching lines @@
 // static
 void ExtensionTabUtil::ForEachTab(
     const base::Callback<void(WebContents*)>& callback) {
   for (TabContentsIterator iterator; !iterator.done(); ++iterator)
     callback.Run((*iterator)->web_contents());
 }
 
 // static
 extensions::WindowController* ExtensionTabUtil::GetWindowControllerOfTab(
     const WebContents* web_contents) {
-  Browser* browser = browser::FindBrowserWithWebContents(web_contents);
+  Browser* browser = chrome::FindBrowserWithWebContents(web_contents);
   if (browser != NULL)
     return browser->extension_window_controller();
 
   return NULL;
 }