This fixes the "passing NULL to non-pointer argument" warning when compiling with gcc 4.1, and is consistent with the way EXPECT_EQ uses NULL elsewhere in Chrome.
This fixes the "passing NULL to non-pointer argument" warning when compiling with gcc 4.1, and is consistent with the way EXPECT_EQ uses NULL elsewhere in Chrome.

Review URL: http://codereview.chromium.org/267

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@1813 0039d316-1c4b-4281-b951-d872f2087c98

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