[extensions] Stop parsing webstore urls so much

extensions/common/extension_urls.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 "extensions/common/extension_urls.h"
 
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "extensions/common/constants.h"
@@ skipping 50 matching lines @@
 }
 
 GURL GetWebstoreSearchPageUrl(const std::string& query) {
   return GURL(GetWebstoreLaunchURL() + "/search/" +
               net::EscapeQueryParamValue(query, false));
 }
 
 GURL GetWebstoreUpdateUrl() {
   extensions::ExtensionsClient* client = extensions::ExtensionsClient::Get();
   if (client)
-    return GURL(client->GetWebstoreUpdateURL());
+    return client->GetWebstoreUpdateURL();
   return GURL(kChromeWebstoreUpdateURL);
 }
 
 GURL GetWebstoreReportAbuseUrl(const std::string& extension_id,
                                const std::string& referrer_id) {
   return GURL(base::StringPrintf("%s/report/%s?utm_source=%s",
                                  GetWebstoreLaunchURL().c_str(),
                                  extension_id.c_str(), referrer_id.c_str()));
 }
 
 bool IsWebstoreUpdateUrl(const GURL& update_url) {
   GURL store_url = GetWebstoreUpdateUrl();
   return (update_url.host_piece() == store_url.host_piece() &&
           update_url.path_piece() == store_url.path_piece());
 }
 
 bool IsBlacklistUpdateUrl(const GURL& url) {
   extensions::ExtensionsClient* client = extensions::ExtensionsClient::Get();
   if (client)
     return client->IsBlacklistUpdateURL(url);
   return false;
 }
 
 }  // namespace extension_urls