Replace uses of GR_DEBUG by SK_DEBUG.

src/gpu/GrGpuFactory.cpp

 
 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #include "GrTypes.h"
@@ skipping 11 matching lines @@
     if (kOpenGL_GrBackend == backend) {
         glInterface = reinterpret_cast<const GrGLInterface*>(backendContext);
         if (NULL == glInterface) {
             glInterface = GrGLDefaultInterface();
             // By calling GrGLDefaultInterface we've taken a ref on the
             // returned object. We only want to hold that ref until after
             // the GrGpu is constructed and has taken ownership.
             glInterfaceUnref.reset(glInterface);
         }
         if (NULL == glInterface) {
-#if GR_DEBUG
+#ifdef SK_DEBUG
             GrPrintf("No GL interface provided!\n");
 #endif
             return NULL;
         }
         GrGLContext ctx(glInterface);
         if (ctx.isInitialized()) {
             return SkNEW_ARGS(GrGpuGL, (ctx, context));
         }
     }
     return NULL;
 }