Move Extension::UpdatesFromGallery to ManifestURL.

chrome/common/extensions/manifest_url_handler.cc

Index: chrome/common/extensions/manifest_url_handler.cc
diff --git a/chrome/common/extensions/manifest_url_handler.cc b/chrome/common/extensions/manifest_url_handler.cc
index 1d15f40e3724427fd00af361d18f042501e59d6a..04afe9ced0a551068d99be663a8fc22a88b3916c 100644
--- a/chrome/common/extensions/manifest_url_handler.cc
+++ b/chrome/common/extensions/manifest_url_handler.cc
@@ -55,7 +55,7 @@ const GURL ManifestURL::GetHomepageURL(const Extension* extension) {
   const GURL& homepage_url = GetManifestURL(extension, keys::kHomepageURL);
   if (homepage_url.is_valid())
     return homepage_url;
-  return extension->UpdatesFromGallery() ?
+  return UpdatesFromGallery(extension) ?
       GURL(extension_urls::GetWebstoreItemDetailURLPrefix() + extension->id()) :
       GURL::EmptyGURL();
 }
@@ -66,6 +66,11 @@ const GURL& ManifestURL::GetUpdateURL(const Extension* extension) {
 }
 
 // static
+bool ManifestURL::UpdatesFromGallery(const Extension* extension) {
+  return extension_urls::IsWebstoreUpdateUrl(GetUpdateURL(extension));
+}
+
+// static
 const GURL& ManifestURL::GetOptionsPage(const Extension* extension) {
   return GetManifestURL(extension, keys::kOptionsPage);
 }