Merge 271730 "Workaround bad bitmaps in clibpoard code"

> Workaround bad bitmaps in clibpoard code
> 
> - Some bitmaps end up with a NULL getPixels(). Don't try to copy ot of that.
> - Only try to copy 32-bit bitmaps
> - Protect against overflow in size computation
> 
> BUG=369621
> 
> Review URL: https://codereview.chromium.org/289573002

TBR=piman@chromium.org

Review URL: https://codereview.chromium.org/306053002

git-svn-id: svn://svn.chromium.org/chrome/branches/1916/src@273614 0039d316-1c4b-4281-b951-d872f2087c98
2 files changed