Add base:: to string16s in android_webview/.

android_webview/native/aw_web_contents_delegate.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 ANDROID_WEBVIEW_NATIVE_AW_WEB_CONTENTS_DELEGATE_H_
 #define ANDROID_WEBVIEW_NATIVE_AW_WEB_CONTENTS_DELEGATE_H_
 
 #include <jni.h>
 
 #include "components/web_contents_delegate_android/web_contents_delegate_android.h"
@@ skipping 25 matching lines @@
       const content::FileChooserParams& params) OVERRIDE;
   virtual void AddNewContents(content::WebContents* source,
                               content::WebContents* new_contents,
                               WindowOpenDisposition disposition,
                               const gfx::Rect& initial_pos,
                               bool user_gesture,
                               bool* was_blocked) OVERRIDE;
 
   virtual void WebContentsCreated(content::WebContents* source_contents,
                                   int64 source_frame_id,
-                                  const string16& frame_name,
+                                  const base::string16& frame_name,
                                   const GURL& target_url,
                                   content::WebContents* new_contents) OVERRIDE;
 
   virtual void CloseContents(content::WebContents* source) OVERRIDE;
   virtual void ActivateContents(content::WebContents* contents) OVERRIDE;
   virtual void RequestProtectedMediaIdentifierPermission(
       const content::WebContents* web_contents,
       const GURL& frame_url,
       const base::Callback<void(bool)>& callback) OVERRIDE;
 };
 
 bool RegisterAwWebContentsDelegate(JNIEnv* env);
 
 }  // namespace android_webview
 
 #endif  // ANDROID_WEBVIEW_NATIVE_AW_WEB_CONTENTS_DELEGATE_H_