Convert string16 to base::string16 in content.

content/public/test/browser_test_utils.h

 // 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.
 
 #ifndef CONTENT_PUBLIC_TEST_BROWSER_TEST_UTILS_H_
 #define CONTENT_PUBLIC_TEST_BROWSER_TEST_UTILS_H_
 
 #include <queue>
 #include <string>
 #include <vector>
@@ skipping 178 matching lines @@
                const std::string& value);
 
 // Watches title changes on a WebContents, blocking until an expected title is
 // set.
 class TitleWatcher : public WebContentsObserver {
  public:
   // |web_contents| must be non-NULL and needs to stay alive for the
   // entire lifetime of |this|. |expected_title| is the title that |this|
   // will wait for.
   TitleWatcher(WebContents* web_contents,
-               const string16& expected_title);
+               const base::string16& expected_title);
   virtual ~TitleWatcher();
 
   // Adds another title to watch for.
-  void AlsoWaitForTitle(const string16& expected_title);
+  void AlsoWaitForTitle(const base::string16& expected_title);
 
   // Waits until the title matches either expected_title or one of the titles
   // added with AlsoWaitForTitle. Returns the value of the most recently
   // observed matching title.
-  const string16& WaitAndGetTitle() WARN_UNUSED_RESULT;
+  const base::string16& WaitAndGetTitle() WARN_UNUSED_RESULT;
 
  private:
   // Overridden WebContentsObserver methods.
   virtual void DidStopLoading(RenderViewHost* render_view_host) OVERRIDE;
   virtual void TitleWasSet(NavigationEntry* entry, bool explicit_set) OVERRIDE;
 
   void TestTitle();
 
-  std::vector<string16> expected_titles_;
+  std::vector<base::string16> expected_titles_;
   scoped_refptr<MessageLoopRunner> message_loop_runner_;
 
   // The most recently observed expected title, if any.
-  string16 observed_title_;
+  base::string16 observed_title_;
 
   DISALLOW_COPY_AND_ASSIGN(TitleWatcher);
 };
 
 // Watches a WebContents and blocks until it is destroyed.
 class WebContentsDestroyedWatcher : public WebContentsObserver {
  public:
   explicit WebContentsDestroyedWatcher(WebContents* web_contents);
   virtual ~WebContentsDestroyedWatcher();
 
@@ skipping 36 matching lines @@
   std::queue<std::string> message_queue_;
   bool waiting_for_message_;
   scoped_refptr<MessageLoopRunner> message_loop_runner_;
 
   DISALLOW_COPY_AND_ASSIGN(DOMMessageQueue);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_TEST_BROWSER_TEST_UTILS_H_