First batch of GCC fixes for GPU code.

This patch addresses signed/unsigned and 64-bit errors.  The remaining fixes are more involved requiring changes/ifdefs to get around HWND.  There's also a ton of "unused variable" warnings in the auto-generated code.

BUG=n/a
TEST=n/a

Review URL: http://codereview.chromium.org/492009


git-svn-id: svn://svn.chromium.org/chrome/trunk/src@34296 0039d316-1c4b-4281-b951-d872f2087c98
8 files changed