MacViews: Implement SetCursor

ui/views/cocoa/bridged_native_widget.h

 // Copyright 2014 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 UI_VIEWS_COCOA_BRIDGED_NATIVE_WIDGET_H_
 #define UI_VIEWS_COCOA_BRIDGED_NATIVE_WIDGET_H_
 
 #import <Cocoa/Cocoa.h>
 #include <vector>
 
@@ skipping 65 matching lines @@
   // Acquiring mouse capture first steals capture from any existing
   // CocoaMouseCaptureDelegate, then captures all mouse events until released.
   void AcquireCapture();
   void ReleaseCapture();
   bool HasCapture();
 
   // See views::Widget.
   void SetNativeWindowProperty(const char* key, void* value);
   void* GetNativeWindowProperty(const char* key) const;
 
+  // Sets the cursor associated with the NSWindow. Retains |cursor|.
+  void SetCursor(NSCursor* cursor);
+
   // Called internally by the NSWindowDelegate when the window is closing.
   void OnWindowWillClose();
 
   // Called by the NSWindowDelegate when a fullscreen operation begins. If
   // |target_fullscreen_state| is true, the target state is fullscreen.
   // Otherwise, a transition has begun to come out of fullscreen.
   void OnFullscreenTransitionStart(bool target_fullscreen_state);
 
   // Called when a fullscreen transition completes. If target_fullscreen_state()
   // does not match |actual_fullscreen_state|, a new transition will begin.
@@ skipping 140 matching lines @@
   // If true, the window is either visible, or wants to be visible but is
   // currently hidden due to having a hidden parent.
   bool wants_to_be_visible_;
 
   DISALLOW_COPY_AND_ASSIGN(BridgedNativeWidget);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_COCOA_BRIDGED_NATIVE_WIDGET_H_