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

chrome/browser/ui/views/frame/browser_view.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 "chrome/browser/ui/views/frame/browser_view.h"
 
 #include <algorithm>
 
 #include "base/auto_reset.h"
 #include "base/command_line.h"
@@ skipping 443 matching lines @@
   // of layout, when that hasn't yet been updated to reflect the current state.
   // So return what the tabstrip height _ought_ to be right now.
   return IsTabStripVisible() ? tabstrip_->GetPreferredSize().height() : 0;
 }
 
 gfx::Point BrowserView::OffsetPointForToolbarBackgroundImage(
     const gfx::Point& point) const {
   // The background image starts tiling horizontally at the window left edge and
   // vertically at the top edge of the horizontal tab strip (or where it would
   // be).  We expect our parent's origin to be the window origin.
-  gfx::Point window_point(point.Add(GetMirroredPosition()));
+  gfx::Point window_point(
+      point.Add(GetMirroredPosition().DistanceFromOrigin()));
   window_point.Offset(frame_->GetThemeBackgroundXInset(),
                       -frame_->GetTabStripInsets(false).top);
   return window_point;
 }
 
 bool BrowserView::IsTabStripVisible() const {
   return browser_->SupportsWindowFeature(Browser::FEATURE_TABSTRIP);
 }
 
 bool BrowserView::IsOffTheRecord() const {
@@ skipping 2155 matching lines @@
 
   Browser* modal_browser =
       browser::FindBrowserWithWebContents(active_dialog->web_contents());
   if (modal_browser && (browser_ != modal_browser)) {
     modal_browser->window()->FlashFrame(true);
     modal_browser->window()->Activate();
   }
 
   AppModalDialogQueue::GetInstance()->ActivateModalDialog();
 }