Fix override issue, rebase win hairmodes_gpu, complexclip_gpu
Mac gm bot will go red until I can remote in to mac mini and fix the baseline

Review URL: http://codereview.appspot.com/5131042/




git-svn-id: http://skia.googlecode.com/svn/trunk@2328 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gpu/src/GrPathRenderer.h b/gpu/src/GrPathRenderer.h
index b8e7a4c..d95cc85 100644
--- a/gpu/src/GrPathRenderer.h
+++ b/gpu/src/GrPathRenderer.h
@@ -108,7 +108,7 @@
      */
     virtual bool supportsAA(const GrDrawTarget* target,
                             const SkPath& path,
-                            GrPathFill fill) { return false; }
+                            GrPathFill fill) const { return false; }
 
     /**
      * Sets the path to render and target to render into. All calls to drawPath