Rework the way Widget::Init works:

views/widget/widget_win.h

Index: views/widget/widget_win.h
===================================================================
--- views/widget/widget_win.h	(revision 82649)
+++ views/widget/widget_win.h	(working copy)
@@ -114,8 +114,6 @@
   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;
@@ -193,7 +191,7 @@
   }
 
   // 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;
@@ -419,6 +417,8 @@
   // 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();