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..653035a363165b3888cc721f5df06777a049be18 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
@@ -45,23 +45,16 @@ class X11WholeScreenMoveLoop : public ui::PlatformEventDispatcher {
   // 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);
-
   // Ends the RunMoveLoop() that's currently in progress.
   void EndMoveLoop();
 
+  // Returns true if still running a nested message loop, false otherwise.
+  bool in_move_loop() const { return in_move_loop_; }
+
   // 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();
 
@@ -80,11 +73,6 @@ 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