cc: Use gfx:: Geometry types for positions, bounds, and related things.

cc/geometry.h

+// Copyright 2010 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_GEOMETRY_H_
+#define CC_GEOMETRY_H_
+
+#include "ui/gfx/size.h"
+#include "ui/gfx/vector2d_f.h"
+#include <cmath>
+
+namespace cc {
+
+inline gfx::Size ClampSizeFromAbove(gfx::Size s, gfx::Size other) {
+  return gfx::Size(s.width() < other.width() ? s.width() : other.width(),
+                   s.height() < other.height() ? s.height() : other.height());
+}
+
+inline float LengthSquared(gfx::Vector2dF v) {
+  return v.x() * v.x() + v.y() * v.y();
+}
+
+inline float Length(gfx::Vector2dF v) {
+  return std::sqrt(LengthSquared(v));
+}
+
+}  // namespace cc
+
+#endif // CC_GEOMETRY_H_