A bunch of remaining parts of extension content verification (Reland)

chrome/common/extensions/extension_constants.h

Index: chrome/common/extensions/extension_constants.h
diff --git a/chrome/common/extensions/extension_constants.h b/chrome/common/extensions/extension_constants.h
index 936330f90314dabaf55c0db0dfbae307e8651713..f202165c5bbebd84d759f554066438752795e278 100644
--- a/chrome/common/extensions/extension_constants.h
+++ b/chrome/common/extensions/extension_constants.h
@@ -41,9 +41,14 @@ GURL GetWebstoreJsonSearchUrl(const std::string& query, const std::string& hl);
 // Returns the URL of the web store search results page for |query|.
 GURL GetWebstoreSearchPageUrl(const std::string& query);
 
-// Return the update URL used by gallery/webstore extensions/apps.
+// Return the update URL used by gallery/webstore extensions/apps. This may
+// have been overridden by a command line flag for testing purposes.
 GURL GetWebstoreUpdateUrl();
 
+// This returns the compile-time constant webstore update url. Usually you
+// should prefer using GetWebstoreUpdateUrl.
+GURL GetDefaultWebstoreUpdateUrl();
+
 // Returns whether the URL is the webstore update URL (just considering host
 // and path, not scheme, query, etc.)
 bool IsWebstoreUpdateUrl(const GURL& update_url);