Move GetCursor() method from WindowDelegate to its own delegate interface CursorDelegate.

ui/views/widget/desktop_aura/desktop_native_widget_aura.h

Index: ui/views/widget/desktop_aura/desktop_native_widget_aura.h
diff --git a/ui/views/widget/desktop_aura/desktop_native_widget_aura.h b/ui/views/widget/desktop_aura/desktop_native_widget_aura.h
index 3f8b0a90a5b570aafffb5c1d9e774178f77724ba..c70b126aaecfeb0b15c2544998c731844a5e6fdd 100644
--- a/ui/views/widget/desktop_aura/desktop_native_widget_aura.h
+++ b/ui/views/widget/desktop_aura/desktop_native_widget_aura.h
@@ -15,6 +15,7 @@
 #include "ui/wm/core/compound_event_filter.h"
 #include "ui/wm/public/activation_change_observer.h"
 #include "ui/wm/public/activation_delegate.h"
+#include "ui/wm/public/cursor_delegate.h"
 #include "ui/wm/public/drag_drop_delegate.h"
 
 namespace aura {
@@ -60,7 +61,8 @@ class VIEWS_EXPORT DesktopNativeWidgetAura
       public aura::client::FocusChangeObserver,
       public views::internal::InputMethodDelegate,
       public aura::client::DragDropDelegate,
-      public aura::WindowTreeHostObserver {
+      public aura::WindowTreeHostObserver,
+      public wm::CursorDelegate {
  public:
   explicit DesktopNativeWidgetAura(internal::NativeWidgetDelegate* delegate);
   virtual ~DesktopNativeWidgetAura();
@@ -186,7 +188,6 @@ class VIEWS_EXPORT DesktopNativeWidgetAura
   virtual gfx::Size GetMaximumSize() const OVERRIDE;
   virtual void OnBoundsChanged(const gfx::Rect& old_bounds,
                                const gfx::Rect& new_bounds) OVERRIDE {}
-  virtual gfx::NativeCursor GetCursor(const gfx::Point& point) OVERRIDE;
   virtual int GetNonClientComponent(const gfx::Point& point) const OVERRIDE;
   virtual bool ShouldDescendIntoChildForEventHandling(
       aura::Window* child,
@@ -236,6 +237,9 @@ class VIEWS_EXPORT DesktopNativeWidgetAura
   virtual void OnHostMoved(const aura::WindowTreeHost* host,
                            const gfx::Point& new_origin) OVERRIDE;
 
+  // Overridden from wm::CursorDelegate:
+  virtual gfx::NativeCursor GetCursorForPoint(const gfx::Point& point) OVERRIDE;
+
  private:
   friend class FocusManagerEventHandler;
   friend class RootWindowDestructionObserver;