Move touch CTM from X into Chrome

ui/aura/window_tree_host.cc

 // Copyright (c) 2013 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/aura/window_tree_host.h"
 
 #include "base/debug/trace_event.h"
 #include "ui/aura/client/capture_client.h"
 #include "ui/aura/client/cursor_client.h"
 #include "ui/aura/env.h"
@@ skipping 156 matching lines @@
   gfx::Point root_location(host_location);
   ConvertPointFromHost(&root_location);
   MoveCursorToInternal(root_location, host_location);
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // WindowTreeHost, protected:
 
 WindowTreeHost::WindowTreeHost()
     : window_(new Window(NULL)),
-      last_cursor_(ui::kCursorNull) {
+      last_cursor_(ui::kCursorNull),
+      display_ids_(std::make_pair(gfx::Display::kInvalidDisplayID,
+                                  gfx::Display::kInvalidDisplayID)) {
 }
 
 void WindowTreeHost::DestroyCompositor() {
   DCHECK(GetAcceleratedWidget());
   compositor_.reset();
 }
 
 void WindowTreeHost::DestroyDispatcher() {
   delete window_;
   window_ = NULL;
@@ skipping 74 matching lines @@
   client::CursorClient* cursor_client = client::GetCursorClient(window());
   if (cursor_client) {
     const gfx::Display& display =
         gfx::Screen::GetScreenFor(window())->GetDisplayNearestWindow(window());
     cursor_client->SetDisplay(display);
   }
   dispatcher()->OnCursorMovedToRootLocation(root_location);
 }
 
 }  // namespace aura