cc: Fix header include guards of our header files.

cc/test/fake_layer_tree_host_client.h

Index: cc/test/fake_layer_tree_host_client.h
diff --git a/cc/test/fake_layer_tree_host_client.h b/cc/test/fake_layer_tree_host_client.h
index 2cdf93c734680e8e529f1d5f8bb43b394e4650e3..814049535b4e3d474bf5be4cf967fc2fd35b63a5 100644
--- a/cc/test/fake_layer_tree_host_client.h
+++ b/cc/test/fake_layer_tree_host_client.h
@@ -1,8 +1,8 @@
 // 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 FakeCCLayerTreeHostClient_h
-#define FakeCCLayerTreeHostClient_h
+#ifndef CC_TEST_FAKE_LAYER_TREE_HOST_CLIENT_H_
+#define CC_TEST_FAKE_LAYER_TREE_HOST_CLIENT_H_
 
 #include "config.h"
 
@@ -35,4 +35,4 @@ public:
 };
 
 }
-#endif // FakeCCLayerTreeHostClient_h
+#endif  // CC_TEST_FAKE_LAYER_TREE_HOST_CLIENT_H_