views: Make view::Views::GetPreferredSize() const.

ui/message_center/views/toast_contents_view.cc

 // Copyright (c) 2013 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/message_center/views/toast_contents_view.h"
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
@@ skipping 22 matching lines @@
 
 // The width of a toast before animated reveal and after closing.
 const int kClosedToastWidth = 5;
 
 // FadeIn/Out look a bit better if they are slightly longer then default slide.
 const int kFadeInOutDuration = 200;
 
 }  // namespace.
 
 // static
-gfx::Size ToastContentsView::GetToastSizeForView(views::View* view) {
+gfx::Size ToastContentsView::GetToastSizeForView(const views::View* view) {
   int width = kNotificationWidth + view->GetInsets().width();
   return gfx::Size(width, view->GetHeightForWidth(width));
 }
 
 ToastContentsView::ToastContentsView(
     const std::string& notification_id,
     base::WeakPtr<MessagePopupCollection> collection)
     : collection_(collection),
       id_(notification_id),
       is_animating_bounds_(false),
@@ skipping 221 matching lines @@
     collection_->OnMouseExited(this);
 }
 
 void ToastContentsView::Layout() {
   if (child_count() > 0) {
     child_at(0)->SetBounds(
         0, 0, preferred_size_.width(), preferred_size_.height());
   }
 }
 
-gfx::Size ToastContentsView::GetPreferredSize() {
+gfx::Size ToastContentsView::GetPreferredSize() const {
   return child_count() ? GetToastSizeForView(child_at(0)) : gfx::Size();
 }
 
 void ToastContentsView::GetAccessibleState(ui::AXViewState* state) {
   if (child_count() > 0)
     child_at(0)->GetAccessibleState(state);
   state->role = ui::AX_ROLE_WINDOW;
 }
 
 void ToastContentsView::ClickOnNotification(
@@ skipping 56 matching lines @@
 }
 
 gfx::Rect ToastContentsView::GetClosedToastBounds(gfx::Rect bounds) {
   return gfx::Rect(bounds.x() + bounds.width() - kClosedToastWidth,
                    bounds.y(),
                    kClosedToastWidth,
                    bounds.height());
 }
 
 }  // namespace message_center