Rename GrGLBug to GrGLCapability.
Default all architectures to kProbe_GrGLCapability.
Use new facilities better from GrGpuGL.cpp



git-svn-id: http://skia.googlecode.com/svn/trunk@1613 2bbb7eff-a529-9590-31e7-b0007b416f81
7 files changed