Code: void QuotaManager::GetAvailableSpace(const AvailableSpaceCallback& callback) {
  if (is_incognito_) {
     callback.Run(kQuotaStatusOk, kIncognitoDefaultTemporaryQuota);
     return;
   }
  make_scoped_refptr(new AvailableSpaceQueryTask(this, callback))->Start();
 }

Vulnerability Type: Exec Code 
CWE ID: CWE-399
Summary: Use-after-free vulnerability in the SVG implementation in WebKit, as used in Google Chrome before 22.0.1229.94, allows remote attackers to execute arbitrary code via unspecified vectors.
Commit Message: Wipe out QuotaThreadTask.

This is a one of a series of refactoring patches for QuotaManager.
http://codereview.chromium.org/10872054/
http://codereview.chromium.org/10917060/

BUG=139270

Review URL: https://chromiumcodereview.appspot.com/10919070

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@154987 0039d316-1c4b-4281-b951-d872f2087c98