views: implement width snapping for DialogDelegateViews

chrome/browser/ui/views/create_application_shortcut_view.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_VIEWS_CREATE_APPLICATION_SHORTCUT_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_CREATE_APPLICATION_SHORTCUT_VIEW_H_
 
 #include <memory>
 #include <string>
 #include <vector>
@@ skipping 38 matching lines @@
     // places where it's clear what app they are from.
     DIALOG_LAYOUT_APP_SHORTCUT
   };
 
   explicit CreateApplicationShortcutView(Profile* profile);
   ~CreateApplicationShortcutView() override;
 
   // Initialize the controls on the dialog.
   void InitControls(DialogLayout dialog_layout);
 
-  // Overridden from views::View:
-  gfx::Size GetPreferredSize() const override;
+  // Overridden from views::DialogDelegateView:
+  gfx::Size GetUnsnappedPreferredSize() const override;
 
   // Overridden from views::DialogDelegate:
   base::string16 GetDialogButtonLabel(ui::DialogButton button) const override;
   bool IsDialogButtonEnabled(ui::DialogButton button) const override;
   ui::ModalType GetModalType() const override;
   base::string16 GetWindowTitle() const override;
   bool Accept() override;
 
   // Overridden from views::ButtonListener:
   void ButtonPressed(views::Button* sender, const ui::Event& event) override;
@@ skipping 74 matching lines @@
   void OnAppInfoLoaded(std::unique_ptr<web_app::ShortcutInfo> shortcut_info);
 
   base::Callback<void(bool)> close_callback_;
 
   base::WeakPtrFactory<CreateChromeApplicationShortcutView> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(CreateChromeApplicationShortcutView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_CREATE_APPLICATION_SHORTCUT_VIEW_H_