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
diff --git a/gpu/src/mac/GrGLDefaultInterface_mac.cpp b/gpu/src/mac/GrGLDefaultInterface_mac.cpp
index cfa528a..d21bdda 100644
--- a/gpu/src/mac/GrGLDefaultInterface_mac.cpp
+++ b/gpu/src/mac/GrGLDefaultInterface_mac.cpp
@@ -23,9 +23,9 @@
     static GrGLInterface gDefaultInterface;
     static bool gDefaultInterfaceInit;
     if (!gDefaultInterfaceInit) {
-        gDefaultInterface.fNPOTRenderTargetSupport = true;
-        gDefaultInterface.fMinRenderTargetHeight = 1;
-        gDefaultInterface.fMinRenderTargetWidth = 1;
+        gDefaultInterface.fNPOTRenderTargetSupport = kProbe_GrGLCapability;
+        gDefaultInterface.fMinRenderTargetHeight = kProbe_GrGLCapability;
+        gDefaultInterface.fMinRenderTargetWidth = kProbe_GrGLCapability;
 
         gDefaultInterface.fActiveTexture = glActiveTexture;
         gDefaultInterface.fAttachShader = glAttachShader;