Rework the way Widget::Init works:

views/widget/widget_win.h

 // Copyright (c) 2011 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 VIEWS_WIDGET_WIDGET_WIN_H_
 #define VIEWS_WIDGET_WIDGET_WIN_H_
 #pragma once
 
 #include <atlbase.h>
 #include <atlapp.h>
@@ skipping 96 matching lines @@
   // child id which is generated by: -(index of view in vector + 1) which
   // guarantees a negative child id.  This distinguishes the view from
   // positive MSAA child id's which are direct leaf children of views that have
   // associated hWnd's (e.g. WidgetWin).
   int AddAccessibilityViewEvent(View* view);
 
   // Clear a view that has recently been removed on a hierarchy change.
   void ClearAccessibilityViewEvent(View* view);
 
   // Overridden from Widget:
-  virtual void Init(gfx::NativeView parent, const gfx::Rect& bounds) OVERRIDE;
-  virtual void InitWithWidget(Widget* parent, const gfx::Rect& bounds) OVERRIDE;
   virtual gfx::NativeView GetNativeView() const OVERRIDE;
   virtual bool GetAccelerator(int cmd_id,
                               ui::Accelerator* accelerator) OVERRIDE;
   virtual Window* GetWindow() OVERRIDE;
   virtual const Window* GetWindow() const OVERRIDE;
   virtual void ViewHierarchyChanged(bool is_add, View *parent,
                                     View *child) OVERRIDE;
   virtual void NotifyAccessibilityEvent(
       View* view,
       ui::AccessibilityTypes::Event event_type,
@@ skipping 57 matching lines @@
 
   // Resets the last move flag so that we can go around the optimization
   // that disregards duplicate mouse moves when ending animation requires
   // a new hit-test to do some highlighting as in TabStrip::RemoveTabAnimation
   // to cause the close button to highlight.
   void ResetLastMouseMoveFlag() {
     last_mouse_event_was_move_ = false;
   }
 
   // Overridden from NativeWidget:
-  virtual void SetCreateParams(const Widget::CreateParams& params) OVERRIDE;
+  virtual void InitNativeWidget(const Widget::CreateParams& params) OVERRIDE;
   virtual Widget* GetWidget() OVERRIDE;
   virtual void SetNativeWindowProperty(const char* name, void* value) OVERRIDE;
   virtual void* GetNativeWindowProperty(const char* name) OVERRIDE;
   virtual TooltipManager* GetTooltipManager() const OVERRIDE;
   virtual bool IsScreenReaderActive() const OVERRIDE;
   virtual void SetMouseCapture() OVERRIDE;
   virtual void ReleaseMouseCapture() OVERRIDE;
   virtual bool HasMouseCapture() const OVERRIDE;
   virtual InputMethod* GetInputMethodNative() OVERRIDE;
   virtual void ReplaceInputMethod(InputMethod* input_method) OVERRIDE;
@@ skipping 205 matching lines @@
   // Are a subclass of WindowWin?
   bool is_window_;
 
  private:
   typedef ScopedVector<ui::ViewProp> ViewProps;
 
   // Implementation of GetWindow. Ascends the parents of |hwnd| returning the
   // first ancestor that is a Window.
   static Window* GetWindowImpl(HWND hwnd);
 
+  void SetCreateParams(const Widget::CreateParams& params);
+
   // Returns the RootView that contains the focused view, or NULL if there is no
   // focused view.
   RootView* GetFocusedViewRootView();
 
   // Called after the WM_ACTIVATE message has been processed by the default
   // windows procedure.
   static void PostProcessActivateMessage(WidgetWin* widget,
                                          int activation_state);
 
   // Synchronously paints the invalid contents of the Widget.
@@ skipping 91 matching lines @@
 
   // Indicates if the |input_method_| is an InputMethodWin instance.
   bool is_input_method_win_;
 
   DISALLOW_COPY_AND_ASSIGN(WidgetWin);
 };
 
 }  // namespace views
 
 #endif  // VIEWS_WIDGET_WIDGET_WIN_H_