cc: Fix header include guards of our header files.

cc/quad_culler.h

Index: cc/quad_culler.h
diff --git a/cc/quad_culler.h b/cc/quad_culler.h
index 33cfc2fe1132b6a76ed8a066ef634e0dad03512c..861a250cdfee24d0977c3715807610a30503b123 100644
--- a/cc/quad_culler.h
+++ b/cc/quad_culler.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CCQuadCuller_h
-#define CCQuadCuller_h
+#ifndef CC_QUAD_CULLER_H_
+#define CC_QUAD_CULLER_H_
 
 #include "cc/cc_export.h"
 #include "cc/quad_sink.h"
@@ -35,4 +35,4 @@ private:
 };
 
 }
-#endif // CCQuadCuller_h
+#endif  // CC_QUAD_CULLER_H_