MultiMonitor support

ui/aura/single_monitor_manager.h

Index: ui/aura/single_monitor_manager.h
diff --git a/ui/aura/single_monitor_manager.h b/ui/aura/single_monitor_manager.h
index 6fc0cdce7c4f50df9e7cf893f7d3b02c65920513..c13bc18f652191f750cc533e90d1a234ccc203af 100644
--- a/ui/aura/single_monitor_manager.h
+++ b/ui/aura/single_monitor_manager.h
@@ -28,12 +28,12 @@ class SingleMonitorManager : public MonitorManager,
   // MonitorManager overrides:
   virtual void OnNativeMonitorResized(const gfx::Size& size) OVERRIDE;
   virtual RootWindow* CreateRootWindowForMonitor(
-      const Monitor* monitor) OVERRIDE;
+      Monitor* monitor) OVERRIDE;
   virtual const Monitor* GetMonitorNearestWindow(
       const Window* window) const OVERRIDE;
   virtual const Monitor* GetMonitorNearestPoint(
       const gfx::Point& point) const OVERRIDE;
-  virtual const Monitor* GetPrimaryMonitor() const OVERRIDE;
+  virtual Monitor* GetMonitorAt(size_t index) OVERRIDE;
   virtual size_t GetNumMonitors() const OVERRIDE;
   virtual Monitor* GetMonitorNearestWindow(const Window* window) OVERRIDE;