platform_window: Add SetCursor & MoveCursorTo

ui/platform_window/platform_window.h

Index: ui/platform_window/platform_window.h
diff --git a/ui/platform_window/platform_window.h b/ui/platform_window/platform_window.h
index 37cd3c0c20910d8fe05535e96eb33d56bfa170fd..d5f5750e213f52de0581fdadf4aecb63c77545f6 100644
--- a/ui/platform_window/platform_window.h
+++ b/ui/platform_window/platform_window.h
@@ -6,6 +6,7 @@
 #define UI_PLATFORM_WINDOW_PLATFORM_WINDOW_H_
 
 #include "base/memory/scoped_ptr.h"
+#include "ui/base/cursor/cursor.h"
 
 namespace gfx {
 class Rect;
@@ -39,6 +40,9 @@ class PlatformWindow {
   virtual void Maximize() = 0;
   virtual void Minimize() = 0;
   virtual void Restore() = 0;
+
+  virtual void SetCursor(PlatformCursor cursor) = 0;
+  virtual void MoveCursorTo(const gfx::Point& location) = 0;
 };
 
 }  // namespace ui