http://codereview.appspot.com/6374048/diff/1/src/gpu/gl/GrGpuGL.cpp File src/gpu/gl/GrGpuGL.cpp (left): http://codereview.appspot.com/6374048/diff/1/src/gpu/gl/GrGpuGL.cpp#oldcode727 src/gpu/gl/GrGpuGL.cpp:727: useTexStorage = desc.fConfig != kIndex_8_GrPixelConfig; Desktop GL can support this format, too.
LGTM
Closed with r4509.