Moving coordinate conversion methods from ash/wm to ui/wm.

ui/wm/core/coordinate_conversion.h

Index: ui/wm/core/coordinate_conversion.h
diff --git a/ui/wm/core/coordinate_conversion.h b/ui/wm/core/coordinate_conversion.h
new file mode 100644
index 0000000000000000000000000000000000000000..acc6a46d5b5437022d0db6c58eeb87a8195e670b
--- /dev/null
+++ b/ui/wm/core/coordinate_conversion.h
@@ -0,0 +1,32 @@
+// Copyright 2014 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.
+
+#ifndef UI_WM_CORE_COORDINATE_CONVERSION_H_
+#define UI_WM_CORE_COORDINATE_CONVERSION_H_
+
+#include "ui/wm/wm_export.h"
+
+namespace aura {
+class Window;
+}  // namespace aura
+
+namespace gfx {
+class Point;
+}  // namespace gfx
+
+namespace wm {
+
+// Converts the |point| from a given |window|'s coordinates into the screen
+// coordinates.
+WM_EXPORT void ConvertPointToScreen(const aura::Window* window,
+                                    gfx::Point* point);
+
+// Converts the |point| from the screen coordinates to a given |window|'s
+// coordinates.
+WM_EXPORT void ConvertPointFromScreen(const aura::Window* window,
+                                      gfx::Point* point_in_screen);
+
+}  // namespace wm
+
+#endif  // UI_WM_CORE_COORDINATE_CONVERSION_H_