Add ScreenPositionClient::ConvertNativePointToScreen.

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/root_window_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 "ash/wm/workspace_controller.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"
@@ skipping 48 matching lines @@
     const aura::Window* window,
     gfx::Point* point) {
   const aura::RootWindow* root = window->GetRootWindow();
   const gfx::Point display_origin =
       gfx::Screen::GetDisplayNearestWindow(
           const_cast<aura::RootWindow*>(root)).bounds().origin();
   point->Offset(-display_origin.x(), -display_origin.y());
   aura::Window::ConvertPointToTarget(root, window, point);
 }
 
+void ScreenPositionController::ConvertNativePointToScreen(
+    aura::Window* window,
+    gfx::Point* point) {
+  std::pair<aura::RootWindow*, gfx::Point> pair =
+      wm::GetRootWindowRelativeToWindow(window, *point);
+  *point = pair.second;
+  ConvertPointToScreen(pair.first, point);
+}
+
 void ScreenPositionController::SetBounds(aura::Window* window,
                                          const gfx::Rect& bounds,
                                          const gfx::Display& display) {
   DCHECK_NE(-1, display.id());
   if (!window->parent()->GetProperty(internal::kUsesScreenCoordinatesKey)) {
     window->SetBounds(bounds);
     return;
   }
 
   // Don't move a transient windows to other root window.
@@ skipping 45 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