Avoid parsing the webstore base url so much.

chrome/browser/chromeos/app_mode/kiosk_app_data.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 "chrome/browser/chromeos/app_mode/kiosk_app_data.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/files/file_util.h"
@@ skipping 644 matching lines @@
     return;
 
   if (!CheckResponseKeyValue(webstore_data.get(), kLocalizedNameKey, &name_))
     return;
 
   std::string icon_url_string;
   if (!CheckResponseKeyValue(webstore_data.get(), kIconUrlKey,
                              &icon_url_string))
     return;
 
-  GURL icon_url = GURL(extension_urls::GetWebstoreLaunchURL()).Resolve(
-      icon_url_string);
+  GURL icon_url =
+      extension_urls::GetWebstoreLaunchURL().Resolve(icon_url_string);
   if (!icon_url.is_valid()) {
     LOG(ERROR) << "Webstore response error (icon url): "
                << ValueToString(*webstore_data);
     OnWebstoreResponseParseFailure(kInvalidWebstoreResponseError);
     return;
   }
 
   // WebstoreDataParser deletes itself when done.
   (new WebstoreDataParser(AsWeakPtr()))->Start(app_id_,
                                                manifest,
@@ skipping 41 matching lines @@
 
   SkBitmap icon = crx_loader->icon();
   if (icon.empty())
     icon = *extensions::util::GetDefaultAppIcon().bitmap();
   SetCache(crx_loader->name(), icon, crx_loader->required_platform_version());
 
   SetStatus(STATUS_LOADED);
 }
 
 }  // namespace chromeos