Make cursors work on win aura.

ui/views/widget/desktop_screen_position_client.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 "ui/views/widget/desktop_screen_position_client.h"
+
+#include "ui/aura/root_window.h"
+
+namespace views {
+
+DesktopScreenPositionClient::DesktopScreenPositionClient() {
+}
+
+DesktopScreenPositionClient::~DesktopScreenPositionClient() {
+}
+
+void DesktopScreenPositionClient::ConvertPointToScreen(
+    const aura::Window* window, gfx::Point* point) {
+  const aura::RootWindow* root_window = window->GetRootWindow();
+  aura::Window::ConvertPointToTarget(window, root_window, point);
+  gfx::Point origin = root_window->GetHostOrigin();
+  point->Offset(origin.x(), origin.y());
+}
+
+void DesktopScreenPositionClient::ConvertPointFromScreen(
+    const aura::Window* window, gfx::Point* point) {
+  const aura::RootWindow* root_window = window->GetRootWindow();
+  gfx::Point origin = root_window->GetHostOrigin();
+  point->Offset(-origin.x(), -origin.y());
+  aura::Window::ConvertPointToTarget(root_window, window, point);
+}
+
+void DesktopScreenPositionClient::SetBounds(
+    aura::Window* window,
+    const gfx::Rect& bounds,
+    const gfx::Display& display) {
+  // TODO: Use the 3rd parameter, |display|.
+  gfx::Point origin = bounds.origin();
+  aura::RootWindow* root = window->GetRootWindow();
+  aura::Window::ConvertPointToTarget(window->parent(), root, &origin);
+
+#if !defined(OS_WIN)
+  if  (window->type() == aura::client::WINDOW_TYPE_CONTROL) {
+    window->SetBounds(gfx::Rect(origin, bounds.size()));
+    return;
+  } else if (window->type() == aura::client::WINDOW_TYPE_POPUP) {
+    // The caller expects windows we consider "embedded" to be placed in the
+    // screen coordinate system. So we need to offset the root window's
+    // position (which is in screen coordinates) from these bounds.
+    gfx::Point host_origin = root->GetHostOrigin();
+    origin.Offset(-host_origin.x(), -host_origin.y());
+    window->SetBounds(gfx::Rect(origin, bounds.size()));
+    return;
+  }
+#endif  // !defined(OS_WIN)
+}
+
+}  // namespace views