Replace uses of GR_DEBUG by SK_DEBUG.

BUG=None
R=bsalomon@google.com, robertphillips@google.com

Author: tfarina@chromium.org

Review URL: https://chromiumcodereview.appspot.com/23137022

git-svn-id: http://skia.googlecode.com/svn/trunk@10978 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/gpu/GrAAConvexPathRenderer.cpp b/src/gpu/GrAAConvexPathRenderer.cpp
index 4825d76..750ffef 100644
--- a/src/gpu/GrAAConvexPathRenderer.cpp
+++ b/src/gpu/GrAAConvexPathRenderer.cpp
@@ -670,7 +670,7 @@
     devBounds.outset(SK_Scalar1, SK_Scalar1);
 
     // Check devBounds
-#if GR_DEBUG
+#ifdef SK_DEBUG
     SkRect tolDevBounds = devBounds;
     tolDevBounds.outset(SK_Scalar1 / 10000, SK_Scalar1 / 10000);
     SkRect actualBounds;