Move webpreferences.* from webkit/ to content/

android_webview/native/aw_web_preferences_populater_impl.cc

 // 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.
 
 #include "android_webview/native/aw_web_preferences_populater_impl.h"
 
 #include "android_webview/native/aw_settings.h"
 
 namespace android_webview {
 
 AwWebPreferencesPopulaterImpl::AwWebPreferencesPopulaterImpl() {
 }
 
 AwWebPreferencesPopulaterImpl::~AwWebPreferencesPopulaterImpl() {
 }
 
 void AwWebPreferencesPopulaterImpl::PopulateFor(
     content::WebContents* web_contents,
-    WebPreferences* web_prefs) {
+    content::WebPreferences* web_prefs) {
   AwSettings* aw_settings = AwSettings::FromWebContents(web_contents);
   if (aw_settings) {
     aw_settings->PopulateWebPreferences(web_prefs);
   }
 }
 
-}
+}  // namespace android_webview