Sanity tweaks to the extension blacklist: check all extensions at once on

chrome/browser/extensions/crx_installer.h

Index: chrome/browser/extensions/crx_installer.h
diff --git a/chrome/browser/extensions/crx_installer.h b/chrome/browser/extensions/crx_installer.h
index b0e368acfcedb4c2fff6f7ffbf9adc77fb2e2006..63ca7c0c862d3937721aaeb99bf33ec717c45d7d 100644
--- a/chrome/browser/extensions/crx_installer.h
+++ b/chrome/browser/extensions/crx_installer.h
@@ -240,7 +240,9 @@ class CrxInstaller
   void ReportFailureFromUIThread(const CrxInstallerError& error);
   void ReportSuccessFromFileThread();
   void ReportSuccessFromUIThread();
-  void NotifyCrxInstallComplete(const Extension* extension);
+  void HandleIsBlacklistedResponse(const base::Closure& on_success,
+                                   bool success);
+  void NotifyCrxInstallComplete(bool success);
 
   // Deletes temporary directory and crx file if needed.
   void CleanupTempFiles();