add copyright

BUG=skia:
NOTRY=True
TBR=

Review URL: https://codereview.chromium.org/1170343002

diff --git a/src/effects/SkTestImageFilters.cpp b/src/effects/SkTestImageFilters.cpp
index 4858eb2..ea5560f 100755 (executable)
--- a/src/effects/SkTestImageFilters.cpp
+++ b/src/effects/SkTestImageFilters.cpp
@@ -1,3 +1,9 @@
+/*
+ * Copyright 2011 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
 
 #include "SkTestImageFilters.h"
 #include "SkCanvas.h"