[cc] Change cc_tests.gyp filenames to Chromium style

cc/test/layer_test_common.h

Index: cc/test/layer_test_common.h
diff --git a/cc/test/layer_test_common.h b/cc/test/layer_test_common.h
index 638cbb270ce9b24689d5095baf174ade4f4d1a13..9627ba181690ca96ec07a2d385295174fa307c46 100644
--- a/cc/test/layer_test_common.h
+++ b/cc/test/layer_test_common.h
@@ -1,3 +1,19 @@
 // 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 CCLayerTestCommon_h
+#define CCLayerTestCommon_h
+
+#include "CCRenderPass.h"
+#include "IntRect.h"
+#include "Region.h"
+
+namespace CCLayerTestCommon {
+
+extern const char* quadString;
+
+void verifyQuadsExactlyCoverRect(const cc::CCQuadList&, const cc::IntRect&);
+
+} // namespace CCLayerTestCommon
+#endif // CCLayerTestCommon_h