Inline gfx::Vector2d* ctors and integer conversions

ui/gfx/vector2d_f.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_f.h"
 
 #include <cmath>
 
 #include "base/stringprintf.h"
 
 namespace gfx {
 
-Vector2dF::Vector2dF()
-    : x_(0),
-      y_(0) {
-}
-
-Vector2dF::Vector2dF(float x, float y)
-    : x_(x),
-      y_(y) {
-}
-
 std::string Vector2dF::ToString() const {
   return base::StringPrintf("[%f %f]", x_, y_);
 }
 
 bool Vector2dF::IsZero() const {
   return x_ == 0 && y_ == 0;
 }
 
 void Vector2dF::Add(const Vector2dF& other) {
   x_ += other.x_;
@@ skipping 28 matching lines @@
       static_cast<double>(lhs.y()) * rhs.y();
 }
 
 Vector2dF ScaleVector2d(const Vector2dF& v, float x_scale, float y_scale) {
   Vector2dF scaled_v(v);
   scaled_v.Scale(x_scale, y_scale);
   return scaled_v;
 }
 
 }  // namespace gfx