MacViews: Implement SetCursor

ui/views/widget/native_widget_mac.mm

 // 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.
 
 #include "ui/views/widget/native_widget_mac.h"
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/mac/foundation_util.h"
 #include "base/mac/scoped_nsobject.h"
@@ skipping 453 matching lines @@
 
 void NativeWidgetMac::SchedulePaintInRect(const gfx::Rect& rect) {
   // TODO(tapted): This should use setNeedsDisplayInRect:, once the coordinate
   // system of |rect| has been converted.
   [GetNativeView() setNeedsDisplay:YES];
   if (bridge_ && bridge_->layer())
     bridge_->layer()->SchedulePaint(rect);
 }
 
 void NativeWidgetMac::SetCursor(gfx::NativeCursor cursor) {
-  NOTIMPLEMENTED();
+  if (bridge_)
+    bridge_->SetCursor(cursor);
 }
 
 bool NativeWidgetMac::IsMouseEventsEnabled() const {
   NOTIMPLEMENTED();
   return true;
 }
 
 void NativeWidgetMac::ClearNativeFocus() {
   // To quote DesktopWindowTreeHostX11, "This method is weird and misnamed."
   // The goal is to set focus to the content window, thereby removing focus from
@@ skipping 148 matching lines @@
 }
 
 // static
 gfx::FontList NativeWidgetPrivate::GetWindowTitleFontList() {
   NOTIMPLEMENTED();
   return gfx::FontList();
 }
 
 }  // namespace internal
 }  // namespace views