Cleanup: Go with SkDebugf instead of GrPrintf.

src/gpu/SkGr.cpp

Index: src/gpu/SkGr.cpp
diff --git a/src/gpu/SkGr.cpp b/src/gpu/SkGr.cpp
index 98cae4e81624ea27a6badf906e3470f9564a95b7..affbd956b099e2ec3dff2814a7267146ae1986a2 100644
--- a/src/gpu/SkGr.cpp
+++ b/src/gpu/SkGr.cpp
@@ -395,8 +395,8 @@ GrTexture* GrRefCachedBitmapTexture(GrContext* ctx,
         result = sk_gr_create_bitmap_texture(ctx, cache, params, bitmap);
     }
     if (NULL == result) {
-        GrPrintf("---- failed to create texture for cache [%d %d]\n",
-                    bitmap.width(), bitmap.height());
+        SkDebugf("---- failed to create texture for cache [%d %d]\n",
+                 bitmap.width(), bitmap.height());
     }
     return result;
 }