use SkPoint, creating an alias for GrPoint

http://codereview.appspot.com/4498041/



git-svn-id: http://skia.googlecode.com/svn/trunk@1268 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gpu/src/GrGpu.cpp b/gpu/src/GrGpu.cpp
index e18c4a4..66105db 100644
--- a/gpu/src/GrGpu.cpp
+++ b/gpu/src/GrGpu.cpp
@@ -238,10 +238,16 @@
     if (NULL == fUnitSquareVertexBuffer) {
 
         static const GrPoint DATA[] = {
+            { 0,            0 },
+            { GR_Scalar1,   0 },
+            { GR_Scalar1,   GR_Scalar1 },
+            { 0,            GR_Scalar1 }
+#if 0
             GrPoint(0,         0),
             GrPoint(GR_Scalar1,0),
             GrPoint(GR_Scalar1,GR_Scalar1),
             GrPoint(0,         GR_Scalar1)
+#endif
         };
         static const size_t SIZE = sizeof(DATA);