Revert 152098 - Landing this again to get more information about the crashes. Doesn't crash locally…

ui/views/widget/native_widget_win.h

Index: ui/views/widget/native_widget_win.h
===================================================================
--- ui/views/widget/native_widget_win.h	(revision 152112)
+++ ui/views/widget/native_widget_win.h	(working copy)
@@ -493,12 +493,6 @@
   // Overridden from HWNDMessageHandlerDelegate:
   virtual bool IsWidgetWindow() const OVERRIDE;
   virtual bool IsUsingCustomFrame() const OVERRIDE;
-  virtual bool CanResize() const OVERRIDE;
-  virtual bool CanMaximize() const OVERRIDE;
-  virtual bool CanActivate() const OVERRIDE;
-  virtual int GetNonClientComponent(const gfx::Point& point) const OVERRIDE;
-  virtual void GetWindowMask(const gfx::Size& size, gfx::Path* path) OVERRIDE;
-  virtual InputMethod* GetInputMethod() OVERRIDE;
   virtual void HandleAppDeactivated() OVERRIDE;
   virtual bool HandleAppCommand(short command) OVERRIDE;
   virtual void HandleCaptureLost() OVERRIDE;
@@ -509,9 +503,6 @@
   virtual void HandleGlassModeChange() OVERRIDE;
   virtual void HandleBeginWMSizeMove() OVERRIDE;
   virtual void HandleEndWMSizeMove() OVERRIDE;
-  virtual void HandleMove() OVERRIDE;
-  virtual void HandleNativeFocus(HWND last_focused_window) OVERRIDE;
-  virtual void HandleNativeBlur(HWND focused_window) OVERRIDE;
   virtual NativeWidgetWin* AsNativeWidgetWin() OVERRIDE;
 
   // Called after the WM_ACTIVATE message has been processed by the default
@@ -541,6 +532,11 @@
   // or subsequently.
   void ClientAreaSizeChanged();
 
+  // Resets the window region for the current widget bounds if necessary.
+  // If |force| is true, the window region is reset to NULL even for native
+  // frame windows.
+  void ResetWindowRegion(bool force);
+
   // When removing the standard frame, tells the DWM how much glass we want on
   // the edges. Currently hardcoded to 10px on all sides.
   void UpdateDWMFrame();