Replace uses of GrAssert by SkASSERT.

include/gpu/GrSurface.h

Index: include/gpu/GrSurface.h
diff --git a/include/gpu/GrSurface.h b/include/gpu/GrSurface.h
index eeb63ad21bfd7f85d125430fb66b25360e6b36b7..3aa498b6110bb00c4a0b130aedc031678ec58705 100644
--- a/include/gpu/GrSurface.h
+++ b/include/gpu/GrSurface.h
@@ -41,7 +41,7 @@ public:
                                                          SkIntToScalar(this->height())); }
 
     GrSurfaceOrigin origin() const {
-        GrAssert(kTopLeft_GrSurfaceOrigin == fDesc.fOrigin || kBottomLeft_GrSurfaceOrigin == fDesc.fOrigin);
+        SkASSERT(kTopLeft_GrSurfaceOrigin == fDesc.fOrigin || kBottomLeft_GrSurfaceOrigin == fDesc.fOrigin);
         return fDesc.fOrigin;
     }
 
@@ -81,7 +81,7 @@ public:
             return thisRT == other->asRenderTarget();
         } else {
             const GrTexture* thisTex = this->asTexture();
-            GrAssert(NULL != thisTex); // We must be one or the other
+            SkASSERT(NULL != thisTex); // We must be one or the other
             return thisTex == other->asTexture();
         }
     }