Move geometric types to a separate, more lightweight target.

ui/gfx/vector2d.cc

-// Copyright (c) 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 "ui/gfx/vector2d.h"
-
-#include <cmath>
-
-#include "base/strings/stringprintf.h"
-
-namespace gfx {
-
-bool Vector2d::IsZero() const {
-  return x_ == 0 && y_ == 0;
-}
-
-void Vector2d::Add(const Vector2d& other) {
-  x_ += other.x_;
-  y_ += other.y_;
-}
-
-void Vector2d::Subtract(const Vector2d& other) {
-  x_ -= other.x_;
-  y_ -= other.y_;
-}
-
-int64 Vector2d::LengthSquared() const {
-  return static_cast<int64>(x_) * x_ + static_cast<int64>(y_) * y_;
-}
-
-float Vector2d::Length() const {
-  return static_cast<float>(std::sqrt(static_cast<double>(LengthSquared())));
-}
-
-std::string Vector2d::ToString() const {
-  return base::StringPrintf("[%d %d]", x_, y_);
-}
-
-}  // namespace gfx