When a bitmap allocation fails, do some checks that will crash in different ways so we can get a better picture when looking at the crash reports of why the allocation might be failing.
When a bitmap allocation fails, do some checks that will crash in different
ways so we can get a better picture when looking at the crash reports of why
the allocation might be failing.

BUG=1275638
Review URL: http://codereview.chromium.org/3119

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@2548 0039d316-1c4b-4281-b951-d872f2087c98

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