views-desktop: Fix updating the cursor for windows.

views/widget/native_widget_view.h

Index: views/widget/native_widget_view.h
diff --git a/views/widget/native_widget_view.h b/views/widget/native_widget_view.h
index 0a729a0b745ba02fc7d8b08671b0a2a11e4c141c..88131132a55f7a67ef5730211a8405c09e5cef9a 100644
--- a/views/widget/native_widget_view.h
+++ b/views/widget/native_widget_view.h
@@ -40,6 +40,8 @@ class VIEWS_EXPORT NativeWidgetView : public View {
     delete_native_widget_ = delete_native_widget;
   }
 
+  void set_cursor(gfx::NativeCursor cursor) { cursor_ = cursor; }
+
   // Overridden from View:
   virtual void SchedulePaintInternal(const gfx::Rect& r) OVERRIDE;
   virtual void MarkLayerDirty() OVERRIDE;
@@ -53,6 +55,7 @@ class VIEWS_EXPORT NativeWidgetView : public View {
                                     View* child) OVERRIDE;
   virtual void OnBoundsChanged(const gfx::Rect& previous_bounds) OVERRIDE;
   virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
+  virtual gfx::NativeCursor GetCursor(const MouseEvent& event) OVERRIDE;
   virtual bool OnMousePressed(const MouseEvent& event) OVERRIDE;
   virtual bool OnMouseDragged(const MouseEvent& event) OVERRIDE;
   virtual void OnMouseReleased(const MouseEvent& event) OVERRIDE;
@@ -86,6 +89,9 @@ class VIEWS_EXPORT NativeWidgetView : public View {
 
   bool delete_native_widget_;
 
+  // The cursor set for the associated widget.
+  gfx::NativeCursor cursor_;
+
   DISALLOW_COPY_AND_ASSIGN(NativeWidgetView);
 };