Add Vector2d classes that represent offsets, instead of using Point.

ui/views/controls/slider.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/views/controls/slider.h"
 
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "base/stringprintf.h"
 #include "base/utf_string_conversions.h"
@@ skipping 181 matching lines @@
     // button slides to the left most or right most position.
     const int kBarInsetX = 2;
     int bar_width = content.width() - kBarInsetX * 2;
     int bar_cy = content.height() / 2 - bar_height_ / 2;
 
     int w = content.width() - thumb_->width();
     int full = value * w;
     int middle = std::max(full, images_[LEFT]->width());
 
     canvas->Save();
-    canvas->Translate(gfx::Point(kBarInsetX, bar_cy));
+    canvas->Translate(gfx::Vector2d(kBarInsetX, bar_cy));
     canvas->DrawImageInt(*images_[LEFT], 0, 0);
     canvas->DrawImageInt(*images_[RIGHT],
                          bar_width - images_[RIGHT]->width(),
                          0);
     canvas->TileImageInt(*images_[CENTER_LEFT],
                          images_[LEFT]->width(),
                          0,
                          middle - images_[LEFT]->width(),
                          bar_height_);
     canvas->TileImageInt(*images_[CENTER_RIGHT],
@@ skipping 108 matching lines @@
 void Slider::OnPaintFocusBorder(gfx::Canvas* canvas) {
   if (!focus_border_color_) {
     View::OnPaintFocusBorder(canvas);
   } else if (HasFocus() && (focusable() || IsAccessibilityFocusable())) {
     canvas->DrawRect(gfx::Rect(1, 1, width() - 3, height() - 3),
                      focus_border_color_);
   }
 }
 
 }  // namespace views