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- Non-public, non-static field names start with m.
http://source.android.com/source/code-style.html#follow-field-naming-conventions

BUG=318404

Review URL: https://codereview.chromium.org/452613002

Cr-Commit-Position: refs/heads/master@{#288299}
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@288299 0039d316-1c4b-4281-b951-d872f2087c98