cc: Chromify LayerTestCommon

cc/test/layer_test_common.h

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CC_TEST_LAYER_TEST_COMMON_H_
 #define CC_TEST_LAYER_TEST_COMMON_H_
 
+namespace gfx { class Rect; }
+
 namespace cc {
 class QuadList;
-}
 
-namespace gfx {
-class Rect;
-}
+class LayerTestCommon {
+ public:
+  static const char* quad_string;
 
-namespace cc {
-namespace LayerTestCommon {
+  static void VerifyQuadsExactlyCoverRect(const cc::QuadList& quads,
+                                          gfx::Rect rect);
+};
 
-extern const char* quadString;
-
-void verifyQuadsExactlyCoverRect(const cc::QuadList&, const gfx::Rect&);
-
-} // namespace LayerTestCommon
-} // namespace cc
+}  // namespace cc
 
 #endif  // CC_TEST_LAYER_TEST_COMMON_H_