views: implement width snapping for DialogDelegateViews

chrome/browser/ui/views/extensions/extension_install_dialog_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/extensions/extension_install_dialog_view.h"
 
 #include <stddef.h>
 #include <algorithm>
 #include <string>
 #include <utility>
@@ skipping 563 matching lines @@
     displayer.browser()->OpenURL(params);
   }
   GetWidget()->Close();
 }
 
 void ExtensionInstallDialogView::Layout() {
   container_->SetBounds(0, 0, width(), height());
   DialogDelegateView::Layout();
 }
 
-gfx::Size ExtensionInstallDialogView::GetPreferredSize() const {
+gfx::Size ExtensionInstallDialogView::GetUnsnappedPreferredSize() const {
   return dialog_size_;
 }
 
 views::View* ExtensionInstallDialogView::CreateExtraView() {
   if (!prompt_->has_webstore_data())
     return nullptr;
 
   views::Link* store_link = new views::Link(
       l10n_util::GetStringUTF16(IDS_EXTENSION_PROMPT_STORE_LINK));
   store_link->set_listener(this);
@@ skipping 161 matching lines @@
   gfx::ImageSkia icon = gfx::CreateVectorIcon(
       expanded ? kCaretUpIcon : kCaretDownIcon, gfx::kChromeIconGrey);
   arrow_toggle_->SetImage(views::Button::STATE_NORMAL, &icon);
 }
 
 // static
 ExtensionInstallPrompt::ShowDialogCallback
 ExtensionInstallPrompt::GetViewsShowDialogCallback() {
   return base::Bind(&ShowExtensionInstallDialogImpl);
 }