Refactor menu controller to isolate aura dependency.

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"
 
 #include <Cocoa/Cocoa.h>
 
 #include "ui/gfx/font_list.h"
 #include "ui/native_theme/native_theme_mac.h"
@@ skipping 151 matching lines @@
 bool NativeWidgetMac::IsAlwaysOnTop() const { return false; }
 void NativeWidgetMac::SetVisibleOnAllWorkspaces(bool always_visible) {}
 void NativeWidgetMac::Maximize() {}
 void NativeWidgetMac::Minimize() {}
 bool NativeWidgetMac::IsMaximized() const { return false; }
 bool NativeWidgetMac::IsMinimized() const { return false; }
 void NativeWidgetMac::Restore() {}
 void NativeWidgetMac::SetFullscreen(bool fullscreen) {}
 bool NativeWidgetMac::IsFullscreen() const { return false; }
 void NativeWidgetMac::SetOpacity(unsigned char opacity) {}
+
+void NativeWidgetMac::SetHasShadow(bool has_shadow) {
+    [window_ setHasShadow:has_shadow];

[tapted, 2014/05/06 00:02:46]

You'll have to leave this bit off for now after rebasing on master

+}
+
 void NativeWidgetMac::SetUseDragFrame(bool use_drag_frame) {}
 void NativeWidgetMac::FlashFrame(bool flash_frame) {}
 void NativeWidgetMac::RunShellDrag(View* view,
                                    const ui::OSExchangeData& data,
                                    const gfx::Point& location,
                                    int operation,
                                    ui::DragDropTypes::DragEventSource source) {}
 void NativeWidgetMac::SchedulePaintInRect(const gfx::Rect& rect) {}
 void NativeWidgetMac::SetCursor(gfx::NativeCursor cursor) {}
 bool NativeWidgetMac::IsMouseEventsEnabled() const { return true; }
@@ skipping 96 matching lines @@
   return false;
 }
 
 // static
 gfx::FontList NativeWidgetPrivate::GetWindowTitleFontList() {
   return gfx::FontList();
 }
 
 }  // namespace internal
 }  // namespace views