Move Extension into extensions namespace

chrome/browser/extensions/webstore_inline_installer.cc

 // 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.
 
 #include "chrome/browser/extensions/webstore_inline_installer.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/string_util.h"
@@ skipping 145 matching lines @@
       id_(webstore_item_id),
       requestor_url_(requestor_url),
       delegate_(delegate),
       average_rating_(0.0),
       rating_count_(0) {
 }
 
 void WebstoreInlineInstaller::BeginInstall() {
   AddRef(); // Balanced in CompleteInstall or WebContentsDestroyed.
 
-  if (!Extension::IdIsValid(id_)) {
+  if (!extensions::Extension::IdIsValid(id_)) {
     CompleteInstall(kInvalidWebstoreItemId);
     return;
   }
 
   GURL webstore_data_url(extension_urls::GetWebstoreItemJsonDataURL(id_));
 
   webstore_data_url_fetcher_.reset(content::URLFetcher::Create(
       webstore_data_url, content::URLFetcher::GET, this));
   Profile* profile = Profile::FromBrowserContext(
       web_contents()->GetBrowserContext());
@@ skipping 269 matching lines @@
       verified_site_pattern.Parse(verified_site_url);
   if (parse_result != URLPattern::PARSE_SUCCESS) {
     DLOG(WARNING) << "Could not parse " << verified_site_url <<
         " as URL pattern " << parse_result;
     return false;
   }
   verified_site_pattern.SetScheme("*");
 
   return verified_site_pattern.MatchesURL(requestor_url);
 }