GitLab

This CL removes code duplication around storage partition related data removal code from BrowsingDataRemover and re-uses StoragePartition::ClearData* method. 

BUG=180118
Test=

Review URL: https://codereview.chromium.org/37843003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@233365 0039d316-1c4b-4281-b951-d872f2087c98