Do all OOLing in the views code. linux_views now builds clean with the clang plugin.

chrome/browser/ui/views/options/options_page_view.h

 // Copyright (c) 2010 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_OPTIONS_OPTIONS_PAGE_VIEW_H__
 #define CHROME_BROWSER_UI_VIEWS_OPTIONS_OPTIONS_PAGE_VIEW_H__
 #pragma once
 
 #include "chrome/browser/ui/options/options_page_base.h"
 #include "views/controls/link.h"
 #include "views/controls/button/native_button.h"
 
 class PrefService;
 
 ///////////////////////////////////////////////////////////////////////////////
 // OptionsPageView
 //
 //  A base class for Options dialog pages that handles ensuring control
 //  initialization is done just once.
 //
 class OptionsPageView : public views::View,
                         public OptionsPageBase {
  public:
   virtual ~OptionsPageView();
 
   // Returns true if the window containing this view can be closed, given the
   // current state of this view. This can be used to prevent the window from
   // being closed when a modal dialog box is showing, for example.
-  virtual bool CanClose() const { return true; }
+  virtual bool CanClose() const;
 
  protected:
   // This class cannot be instantiated directly, but its constructor must be
   // called by derived classes.
   explicit OptionsPageView(Profile* profile);
 
   // Initializes the layout of the controls within the panel.
   virtual void InitControlLayout() = 0;
 
   // views::View overrides:
   virtual void ViewHierarchyChanged(bool is_add,
                                     views::View* parent,
                                     views::View* child);
   virtual AccessibilityTypes::Role GetAccessibleRole();
 
  private:
   // Whether or not the control layout has been initialized for this page.
   bool initialized_;
 
   DISALLOW_COPY_AND_ASSIGN(OptionsPageView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_OPTIONS_OPTIONS_PAGE_VIEW_H__