HiDPI gear icon for about:memory

BUG=134372
TEST=visual
TBR=avi,flackr

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=144395

Review URL: https://chromiumcodereview.appspot.com/10693002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@144592 0039d316-1c4b-4281-b951-d872f2087c98
4 files changed