[extensions] Stop parsing webstore urls so much

chrome/browser/extensions/chrome_content_verifier_delegate.cc

 // Copyright 2015 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/chrome_content_verifier_delegate.h"
 
 #include <algorithm>
 #include <memory>
 #include <set>
 #include <vector>
@@ skipping 107 matching lines @@
 
   if (!extension.is_extension() && !extension.is_legacy_packaged_app())
     return ContentVerifierDelegate::NONE;
   if (!Manifest::IsAutoUpdateableLocation(extension.location()))
     return ContentVerifierDelegate::NONE;
 
   if (!ManifestURL::UpdatesFromGallery(&extension)) {
     // It's possible that the webstore update url was overridden for testing
     // so also consider extensions with the default (production) update url
     // to be from the store as well.
-    GURL default_webstore_url = extension_urls::GetDefaultWebstoreUpdateUrl();
-    if (ManifestURL::GetUpdateURL(&extension) != default_webstore_url)
+    if (ManifestURL::GetUpdateURL(&extension) !=
+        extension_urls::GetDefaultWebstoreUpdateUrl()) {
       return ContentVerifierDelegate::NONE;
+    }
   }
 
   return default_mode_;
 }
 
 ContentVerifierKey ChromeContentVerifierDelegate::GetPublicKey() {
   return ContentVerifierKey(kWebstoreSignaturesPublicKey,
                             kWebstoreSignaturesPublicKeySize);
 }
 
@@ skipping 58 matching lines @@
     UMA_HISTOGRAM_ENUMERATION("Extensions.CorruptExtensionDisabledReason",
                               reason, ContentVerifyJob::FAILURE_REASON_MAX);
   } else if (!base::ContainsKey(would_be_disabled_ids_, extension_id)) {
     UMA_HISTOGRAM_BOOLEAN("Extensions.CorruptExtensionWouldBeDisabled", true);
     would_be_disabled_ids_.insert(extension_id);
   }
 }
 
 
 }  // namespace extensions