<webview>: Partially migrate loadcommit event from content to chrome

chrome/browser/extensions/api/webview/webview_api.cc

 // Copyright (c) 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 "chrome/browser/extensions/api/webview/webview_api.h"
 
 #include "chrome/browser/extensions/tab_helper.h"
 #include "chrome/browser/webview/webview_guest.h"
 #include "chrome/common/extensions/api/webview.h"
 #include "content/public/browser/render_process_host.h"
@@ skipping 34 matching lines @@
 
 bool WebviewExecuteCodeFunction::ShouldInsertCSS() const {
   return false;
 }
 
 bool WebviewExecuteCodeFunction::CanExecuteScriptOnPage() {
   return true;
 }
 
 extensions::ScriptExecutor* WebviewExecuteCodeFunction::GetScriptExecutor() {
-  chrome::WebViewGuest* guest = chrome::WebViewGuest::From(
+  WebViewGuest* guest = WebViewGuest::From(
       render_view_host()->GetProcess()->GetID(), guest_instance_id_);
   if (!guest)
     return NULL;
 
   return guest->script_executor();
 }
 
 bool WebviewExecuteCodeFunction::IsWebView() const {
   return true;
 }
 
 void WebviewExecuteScriptFunction::OnExecuteCodeFinished(
     const std::string& error,
     int32 on_page_id,
     const GURL& on_url,
     const base::ListValue& result) {
   content::RecordAction(content::UserMetricsAction("WebView.ExecuteScript"));
   if (error.empty())
     SetResult(result.DeepCopy());
   WebviewExecuteCodeFunction::OnExecuteCodeFinished(error, on_page_id, on_url,
                                                     result);
 }
 
 bool WebviewInsertCSSFunction::ShouldInsertCSS() const {
   return true;
 }