Remove parts of //cc we aren't using

cc/base/math_util.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_BASE_MATH_UTIL_H_
 #define CC_BASE_MATH_UTIL_H_
 
 #include <algorithm>
 #include <cmath>
 #include <vector>
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
-#include "cc/base/cc_export.h"
 #include "ui/gfx/geometry/box_f.h"
 #include "ui/gfx/geometry/point3_f.h"
 #include "ui/gfx/geometry/point_f.h"
 #include "ui/gfx/geometry/scroll_offset.h"
 #include "ui/gfx/geometry/size.h"
 #include "ui/gfx/transform.h"
 
 namespace base {
 class Value;
 namespace trace_event {
@@ skipping 45 matching lines @@
   }
 
   SkMScalar x() const { return vec[0]; }
   SkMScalar y() const { return vec[1]; }
   SkMScalar z() const { return vec[2]; }
   SkMScalar w() const { return vec[3]; }
 
   SkMScalar vec[4];
 };
 
-class CC_EXPORT MathUtil {
+class MathUtil {
  public:
   static const double kPiDouble;
   static const float kPiFloat;
 
   static double Deg2Rad(double deg) { return deg * kPiDouble / 180.0; }
   static double Rad2Deg(double rad) { return rad * 180.0 / kPiDouble; }
 
   static float Deg2Rad(float deg) { return deg * kPiFloat / 180.0f; }
   static float Rad2Deg(float rad) { return rad * 180.0f / kPiFloat; }
 
@@ skipping 147 matching lines @@
 
   // Returns a base::Value representation of the floating point value.
   // If the value is inf, returns max double/float representation.
   static double AsDoubleSafely(double value);
   static float AsFloatSafely(float value);
 };
 
 }  // namespace cc
 
 #endif  // CC_BASE_MATH_UTIL_H_