Add base:: namespace to straggling string16s left in chrome/browser/ui.

chrome/browser/ui/search/instant_search_prerenderer.h

 // Copyright 2013 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_UI_SEARCH_INSTANT_SEARCH_PRERENDERER_H_
 #define CHROME_BROWSER_UI_SEARCH_INSTANT_SEARCH_PRERENDERER_H_
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/string16.h"
@@ skipping 42 matching lines @@
       const content::SessionStorageNamespaceMap& session_storage_namespace_map,
       const gfx::Size& size);
 
   // Cancels the current request.
   void Cancel();
 
   // Tells the Instant search base page to prerender |suggestion|.
   void Prerender(const InstantSuggestion& suggestion);
 
   // Tells the Instant search base page to render the prefetched search results.
-  void Commit(const string16& query);
+  void Commit(const base::string16& query);
 
   // Returns true if the prerendered page can be used to process the search for
   // the given |source|.
   bool CanCommitQuery(content::WebContents* source,
-                      const string16& query) const;
+                      const base::string16& query) const;
 
   // Returns true and updates |params->target_contents| if a prerendered page
   // exists for |url| and is swapped in.
   bool UsePrerenderedPage(const GURL& url, chrome::NavigateParams* params);
 
   // Returns the last prefetched search query.
-  const string16& get_last_query() const {
+  const base::string16& get_last_query() const {
     return last_instant_suggestion_.text;
   }
 
   // Returns true when prerendering is allowed for the given |source| and
   // |match|.
   bool IsAllowed(const AutocompleteMatch& match,
                  content::WebContents* source) const;
 
  private:
   friend class InstantSearchPrerendererTest;
 
   content::WebContents* prerender_contents() const;
 
   Profile* const profile_;
 
   // Instant search base page URL.
   const GURL prerender_url_;
 
   scoped_ptr<prerender::PrerenderHandle> prerender_handle_;
 
   InstantSuggestion last_instant_suggestion_;
 
   DISALLOW_COPY_AND_ASSIGN(InstantSearchPrerenderer);
 };
 
 #endif  // CHROME_BROWSER_UI_SEARCH_INSTANT_SEARCH_PRERENDERER_H_