Use GLSLCaps for creating processor keys and GLSL-specific programs

include/gpu/GrFragmentProcessor.h

Index: include/gpu/GrFragmentProcessor.h
diff --git a/include/gpu/GrFragmentProcessor.h b/include/gpu/GrFragmentProcessor.h
index 8ebc94e91d2e403b05e06fe28e081bbe2d1b888d..d12d4f6744b64fc0552261f301977ffb319c4c69 100644
--- a/include/gpu/GrFragmentProcessor.h
+++ b/include/gpu/GrFragmentProcessor.h
@@ -12,6 +12,7 @@
 
 class GrCoordTransform;
 class GrGLCaps;
+typedef GrGLCaps GrGLSLCaps;
 class GrGLFragmentProcessor;
 class GrProcessorKeyBuilder;
 
@@ -28,7 +29,7 @@ public:
         , fUsesLocalCoords(false) {}
 
     /** Implemented using GLFragmentProcessor::GenKey as described in this class's comment. */
-    virtual void getGLProcessorKey(const GrGLCaps& caps,
+    virtual void getGLProcessorKey(const GrGLSLCaps& caps,
                                    GrProcessorKeyBuilder* b) const = 0;
 
     /** Returns a new instance of the appropriate *GL* implementation class