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

chrome/browser/ui/views/autofill/decorated_textfield.cc

 // Copyright 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 "chrome/browser/ui/views/autofill/decorated_textfield.h"
 
 #include "chrome/browser/ui/autofill/autofill_dialog_types.h"
 #include "chrome/browser/ui/views/autofill/tooltip_icon.h"
 #include "ui/gfx/canvas.h"
 #include "ui/views/background.h"
@@ skipping 88 matching lines @@
   return kViewClassName;
 }
 
 views::View* DecoratedTextfield::GetEventHandlerForRect(const gfx::Rect& rect) {
   views::View* handler = views::Textfield::GetEventHandlerForRect(rect);
   if (handler->GetClassName() == TooltipIcon::kViewClassName)
     return handler;
   return this;
 }
 
-gfx::Size DecoratedTextfield::GetPreferredSize() {
+gfx::Size DecoratedTextfield::GetPreferredSize() const {
   static const int height =
       views::LabelButton(NULL, base::string16()).GetPreferredSize().height();
   const gfx::Size size = views::Textfield::GetPreferredSize();
   return gfx::Size(size.width(), std::max(size.height(), height));
 }
 
 void DecoratedTextfield::Layout() {
   views::Textfield::Layout();
 
   if (icon_view_ && icon_view_->visible()) {
@@ skipping 39 matching lines @@
 }
 
 void DecoratedTextfield::IconChanged() {
   // Don't show the icon if nothing else is showing.
   icon_view_->SetVisible(editable_ || !text().empty());
   UpdateBorder();
   Layout();
 }
 
 } // namespace autofill