GTK: Add back more missing accelerators.
GTK: Add back more missing accelerators.

hopefully this is the last of them. I feel like I've left my children at walmart.

BUG=32032
TEST=press them

Review URL: http://codereview.chromium.org/555005

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@36677 0039d316-1c4b-4281-b951-d872f2087c98

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