Replace string16 with base::string16.

chrome/browser/bookmarks/bookmark_service.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 CHROME_BROWSER_BOOKMARKS_BOOKMARK_SERVICE_H_
 #define CHROME_BROWSER_BOOKMARKS_BOOKMARK_SERVICE_H_
 
 #include <vector>
 
 #include "base/strings/string16.h"
 #include "url/gurl.h"
 
 namespace content {
 class BrowserContext;
 }
 
 // BookmarkService provides a thread safe view of bookmarks. It is used by
 // HistoryBackend when it needs to determine the set of bookmarked URLs
 // or if a URL is bookmarked.
 //
 // BookmarkService is owned by Profile and deleted when the Profile is deleted.
 class BookmarkService {
  public:
   struct URLAndTitle {
     GURL url;
-    string16 title;
+    base::string16 title;
   };
 
   static BookmarkService* FromBrowserContext(
       content::BrowserContext* browser_context);
 
   // Returns true if the specified URL is bookmarked.
   //
   // If not on the main thread you *must* invoke BlockTillLoaded first.
   virtual bool IsBookmarked(const GURL& url) = 0;
 
   // Returns, by reference in |bookmarks|, the set of bookmarked urls and their
   // titles. This returns the unique set of URLs. For example, if two bookmarks
   // reference the same URL only one entry is added not matter the titles are
   // same or not.
   //
   // If not on the main thread you *must* invoke BlockTillLoaded first.
   virtual void GetBookmarks(std::vector<URLAndTitle>* bookmarks) = 0;
 
   // Blocks until loaded. This is intended for usage on a thread other than
   // the main thread.
   virtual void BlockTillLoaded() = 0;
 
  protected:
   virtual ~BookmarkService() {}
 };
 
 #endif  // CHROME_BROWSER_BOOKMARKS_BOOKMARK_SERVICE_H_