Add impl/comp scrolling instrumentation.

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 "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "cc/base/cc_export.h"
 #include "ui/gfx/point3_f.h"
 #include "ui/gfx/point_f.h"
 #include "ui/gfx/size.h"
 #include "ui/gfx/transform.h"
 
 namespace base { class Value; }
 
 namespace gfx {
 class QuadF;
 class Rect;
 class RectF;
 class Transform;
 class Vector2dF;
+class Vector2d;
 }
 
 namespace cc {
 
 struct HomogeneousCoordinate {
   HomogeneousCoordinate(SkMScalar x, SkMScalar y, SkMScalar z, SkMScalar w) {
     vec[0] = x;
     vec[1] = y;
     vec[2] = z;
     vec[3] = w;
@@ skipping 113 matching lines @@
                                            gfx::Vector2dF v2);
 
   // Projects the |source| vector onto |destination|. Neither vector is assumed
   // to be normalized.
   static gfx::Vector2dF ProjectVector(gfx::Vector2dF source,
                                       gfx::Vector2dF destination);
 
   // Conversion to value.
   static scoped_ptr<base::Value> AsValue(gfx::Size s);
   static scoped_ptr<base::Value> AsValue(gfx::Rect r);
+  static scoped_ptr<base::Value> AsValue(gfx::Vector2d vec);
+  static scoped_ptr<base::Value> AsValue(gfx::Vector2dF vec);
   static bool FromValue(const base::Value*, gfx::Rect* out_rect);
   static scoped_ptr<base::Value> AsValue(gfx::PointF q);
   static scoped_ptr<base::Value> AsValue(const gfx::QuadF& q);
   static scoped_ptr<base::Value> AsValue(const gfx::RectF& rect);
 
   // Returns a base::Value representation of the floating point value.
   // If the value is inf, returns max double/float representation.
   static scoped_ptr<base::Value> AsValueSafely(double value);
   static scoped_ptr<base::Value> AsValueSafely(float value);
 };
 
 }  // namespace cc
 
 #endif  // CC_BASE_MATH_UTIL_H_