BuildLumaHistogram() attempts to access Skia pixel data directly.  This isn't
correct because the data may need to be unpremultiplied.  Use the appropriate
functions for doing this.

BUG=none
TEST=none
R=erg@chromium.org, reed@google.com, sky@chromium.org

Review URL: https://codereview.chromium.org/15915005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@202144 0039d316-1c4b-4281-b951-d872f2087c98
1 file changed