cc: Remove all remaining use of WebCore Rect/Point/Size types from the compositor.

cc/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_MATH_UTIL_H_
 #define CC_MATH_UTIL_H_
 
 #include "base/logging.h"
 #include "cc/cc_export.h"
 #include "ui/gfx/point_f.h"
 #include "ui/gfx/point3_f.h"
 
 namespace WebKit {
 class WebTransformationMatrix;
 }
 
 namespace gfx {
 class QuadF;
 class Rect;
 class RectF;
+class Vector2dF;
 }
 
 namespace cc {
 
-class FloatSize;
-
 struct HomogeneousCoordinate {
     HomogeneousCoordinate(double newX, double newY, double newZ, double newW)
         : x(newX)
         , y(newY)
         , z(newZ)
         , w(newW)
     {
     }
 
     bool shouldBeClipped() const
@@ skipping 60 matching lines @@
     static gfx::Point3F mapPoint(const WebKit::WebTransformationMatrix&, const gfx::Point3F&, bool& clipped);
     static gfx::QuadF projectQuad(const WebKit::WebTransformationMatrix&, const gfx::QuadF&, bool& clipped);
     static gfx::PointF projectPoint(const WebKit::WebTransformationMatrix&, const gfx::PointF&, bool& clipped);
 
     static void flattenTransformTo2d(WebKit::WebTransformationMatrix&);
 
     static gfx::Vector2dF computeTransform2dScaleComponents(const WebKit::WebTransformationMatrix&);
 
     // Returns the smallest angle between the given two vectors in degrees. Neither vector is
     // assumed to be normalized.
-    static float smallestAngleBetweenVectors(const FloatSize&, const FloatSize&);
+    static float smallestAngleBetweenVectors(gfx::Vector2dF, gfx::Vector2dF);
 
     // Projects the |source| vector onto |destination|. Neither vector is assumed to be normalized.
-    static FloatSize projectVector(const FloatSize& source, const FloatSize& destination);
+    static gfx::Vector2dF projectVector(gfx::Vector2dF source, gfx::Vector2dF destination);
 };
 
 } // namespace cc
 
 #endif  // CC_MATH_UTIL_H_