Makes wm2 reset the bounds immediately after cloning the layer for

content/browser/web_contents/web_contents_view_aura.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 "content/browser/web_contents/web_contents_view_aura.h"
 
 #include "base/utf_string_conversions.h"
 #include "content/browser/renderer_host/dip_util.h"
 #include "content/browser/renderer_host/render_view_host_factory.h"
 #include "content/browser/web_contents/interstitial_page_impl.h"
@@ skipping 480 matching lines @@
                                           const gfx::Rect& new_bounds) {
   SizeChangedCommon(new_bounds.size());
   if (delegate_.get())
     delegate_->SizeChanged(new_bounds.size());
 
   // Constrained web dialogs, need to be kept centered over our content area.
   for (size_t i = 0; i < window_->children().size(); i++) {
     if (window_->children()[i]->GetProperty(
             aura::client::kConstrainedWindowKey)) {
       gfx::Rect bounds = window_->children()[i]->bounds();
-      bounds.Offset((new_bounds.width() - old_bounds.width()) / 2,
-                    (new_bounds.height() - old_bounds.height()) / 2);
+      bounds.set_origin(
+          gfx::Point((new_bounds.width() - bounds.width()) / 2,
+                     (new_bounds.height() - bounds.height()) / 2));
       window_->children()[i]->SetBounds(bounds);
     }
   }
 }
 
 void WebContentsViewAura::OnFocus(aura::Window* old_focused_window) {
 }
 
 void WebContentsViewAura::OnBlur() {
 }
@@ skipping 145 matching lines @@
     OnDragEntered(event);
 
   web_contents_->GetRenderViewHost()->DragTargetDrop(
       event.location(),
       gfx::Screen::GetCursorScreenPoint(),
       ConvertAuraEventFlagsToWebInputEventModifiers(event.flags()));
   if (drag_dest_delegate_)
     drag_dest_delegate_->OnDrop();
   return current_drag_op_;
 }