Replace uses of GrAssert by SkASSERT.

R=bsalomon@google.com

Review URL: https://codereview.chromium.org/22850006

git-svn-id: http://skia.googlecode.com/svn/trunk@10789 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/gpu/GrRectanizer.h b/src/gpu/GrRectanizer.h
index bacf4fd..dc479f1 100644
--- a/src/gpu/GrRectanizer.h
+++ b/src/gpu/GrRectanizer.h
@@ -20,8 +20,8 @@
 class GrRectanizer {
 public:
     GrRectanizer(int width, int height) : fWidth(width), fHeight(height) {
-        GrAssert(width >= 0);
-        GrAssert(height >= 0);
+        SkASSERT(width >= 0);
+        SkASSERT(height >= 0);
     }
 
     virtual ~GrRectanizer() {}