cc: Get rid of CC*.h temporary header files.

cc/math_util_unittest.cc

 // 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.
 
 #include "config.h"
 
-#include "CCMathUtil.h"
+#include "cc/math_util.h"
 
 #include "FloatRect.h"
 #include "cc/test/geometry_test_utils.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include <public/WebTransformationMatrix.h>
 
 using namespace cc;
 using WebKit::WebTransformationMatrix;
 
@@ skipping 155 matching lines @@
 
     // Finally check than an arbitrary vector projected to another one gives a vector parallel to
     // the second vector.
     FloatSize targetVector(0.5, 0.2f);
     FloatSize projectedVector = CCMathUtil::projectVector(testVector, targetVector);
     EXPECT_EQ(projectedVector.width() / targetVector.width(),
               projectedVector.height() / targetVector.height());
 }
 
 } // namespace