Allow the cursor to warp even when a window is dragged

ash/display/screen_position_controller.cc

 // Copyright (c) 2012 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 "ash/display/screen_position_controller.h"
 
 #include "ash/display/display_controller.h"
 #include "ash/shell.h"
 #include "ash/shell_window_ids.h"
+#include "ash/wm/coordinate_conversion.h"
 #include "ash/wm/system_modal_container_layout_manager.h"
 #include "ash/wm/window_properties.h"
 #include "ui/aura/client/activation_client.h"
 #include "ui/aura/client/capture_client.h"
 #include "ui/aura/client/stacking_client.h"
 #include "ui/aura/focus_manager.h"
 #include "ui/aura/root_window.h"
 #include "ui/aura/window_tracker.h"
 #include "ui/gfx/display.h"
 #include "ui/gfx/screen.h"
@@ skipping 62 matching lines @@
     const gfx::Rect& bounds) {
   if (!DisplayController::IsExtendedDesktopEnabled() ||
       !window->parent()->GetProperty(internal::kUsesScreenCoordinatesKey)) {
     window->SetBounds(bounds);
     return;
   }
 
   // Don't move a transient windows to other root window.
   // It moves when its transient_parent moves.
   if (!window->transient_parent()) {
-    aura::RootWindow* dst_root = Shell::GetRootWindowMatching(bounds);
+    aura::RootWindow* dst_root = wm::GetRootWindowMatching(bounds);
     aura::Window* dst_container = NULL;
     if (dst_root != window->GetRootWindow()) {
       int container_id = window->parent()->id();
       // All containers that uses screen coordinates must have valid
       // window ids.
       DCHECK_GE(container_id, 0);
       // Don't move modal screen.
       if (!SystemModalContainerLayoutManager::IsModalScreen(window))
         dst_container = Shell::GetContainer(dst_root, container_id);
     }
@@ skipping 24 matching lines @@
 
   gfx::Point origin(bounds.origin());
   const gfx::Point display_origin =
       gfx::Screen::GetDisplayNearestWindow(window).bounds().origin();
   origin.Offset(-display_origin.x(), -display_origin.y());
   window->SetBounds(gfx::Rect(origin, bounds.size()));
 }
 
 }  // internal
 }  // ash