Removes grab input window and extra grab and ungrab in X11WholeScreenMoveLoop

ui/views/widget/desktop_aura/x11_whole_screen_move_loop.h

Index: ui/views/widget/desktop_aura/x11_whole_screen_move_loop.h
diff --git a/ui/views/widget/desktop_aura/x11_whole_screen_move_loop.h b/ui/views/widget/desktop_aura/x11_whole_screen_move_loop.h
index 34f2783a73fb34c0b661952945e0cb54e0d481bf..97b17b03e5d5b96ba12e39e61ef427065d2b2c33 100644
--- a/ui/views/widget/desktop_aura/x11_whole_screen_move_loop.h
+++ b/ui/views/widget/desktop_aura/x11_whole_screen_move_loop.h
@@ -43,32 +43,12 @@ class X11WholeScreenMoveLoop : public ui::PlatformEventDispatcher {
   // the mouse cursor. Returns true if the move-loop is completed successfully.
   // If the pointer-grab fails, or the move-loop is canceled by the user (e.g.
   // by pressing escape), then returns false.
-  bool RunMoveLoop(aura::Window* window, gfx::NativeCursor cursor);
-
-  // Updates the cursor while the move loop is running.
-  void UpdateCursor(gfx::NativeCursor cursor);
+  bool RunMoveLoop(gfx::NativeCursor cursor);
 
   // Ends the RunMoveLoop() that's currently in progress.
   void EndMoveLoop();
 
-  // Sets an image to be used during the drag.
-  void SetDragImage(const gfx::ImageSkia& image, gfx::Vector2dF offset);
-
  private:
-  // Grabs the pointer and keyboard, setting the mouse cursor to |cursor|.
-  // Returns true if the grab was successful.
-  bool GrabPointerAndKeyboard(gfx::NativeCursor cursor);
-
-  // Creates an input-only window to be used during the drag.
-  Window CreateDragInputWindow(XDisplay* display);
-
-  // Creates a window to show the drag image during the drag.
-  void CreateDragImageWindow();
-
-  // Checks to see if |in_image| is an image that has any visible regions
-  // (defined as having a pixel with alpha > 32). If so, return true.
-  bool CheckIfIconValid();
-
   // Dispatch mouse movement event to |delegate_| in a posted task.
   void DispatchMouseMovement();
 
@@ -80,22 +60,12 @@ class X11WholeScreenMoveLoop : public ui::PlatformEventDispatcher {
 
   bool should_reset_mouse_flags_;
 
-  // An invisible InputOnly window . We create this window so we can track the
-  // cursor wherever it goes on screen during a drag, since normal windows
-  // don't receive pointer motion events outside of their bounds.
-  ::Window grab_input_window_;
-
   base::Closure quit_closure_;
 
-  // Keeps track of whether the move-loop is cancled by the user (e.g. by
+  // Keeps track of whether the move-loop is canceled by the user (e.g. by
   // pressing escape).
   bool canceled_;
 
-  // A Widget is created during the drag if there is an image available to be
-  // used during the drag.
-  scoped_ptr<Widget> drag_widget_;
-  gfx::ImageSkia drag_image_;
-  gfx::Vector2dF drag_offset_;
   XMotionEvent last_xmotion_;
   base::WeakPtrFactory<X11WholeScreenMoveLoop> weak_factory_;