Search and replace change. Some Gr enum value names didn't have a "Gr" in their suffix.

Verbal LGTM from TomH




git-svn-id: http://skia.googlecode.com/svn/trunk@4198 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/gpu/GrIndexBuffer.h b/src/gpu/GrIndexBuffer.h
index faa5018..a7e7a57 100644
--- a/src/gpu/GrIndexBuffer.h
+++ b/src/gpu/GrIndexBuffer.h
@@ -17,7 +17,7 @@
 public:
         /**
          * Retrieves the maximum number of quads that could be rendered
-         * from the index buffer (using kTriangles_PrimitiveType).
+         * from the index buffer (using kTriangles_GrPrimitiveType).
          * @return the maximum number of quads using full size of index buffer.
          */
         int maxQuads() const {