Enable display rotation, magnifier in unified desktop mode

ash/host/ash_remote_window_tree_host_win.cc

 // 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.
 
 #include "ash/host/ash_remote_window_tree_host_win.h"
 
 #include "ash/host/root_window_transformer.h"
 #include "ui/gfx/geometry/insets.h"
 #include "ui/gfx/transform.h"
 
 namespace ash {
 
 AshRemoteWindowTreeHostWin::AshRemoteWindowTreeHostWin(HWND remote_hwnd)
     : aura::RemoteWindowTreeHostWin(),
       transformer_helper_(this) {
   SetRemoteWindowHandle(remote_hwnd);
+  transformer_helper_.Init();

[oshima, 2015/05/05 15:32:13]

I forgot about this file and that's the reason why ash_unittests was failing. My
bad.

 }
 
 AshRemoteWindowTreeHostWin::~AshRemoteWindowTreeHostWin() {}
 
 void AshRemoteWindowTreeHostWin::ToggleFullScreen() {}
 
 bool AshRemoteWindowTreeHostWin::ConfineCursorToRootWindow() { return false; }
 
 void AshRemoteWindowTreeHostWin::UnConfineCursor() {}
 
@@ skipping 22 matching lines @@
 gfx::Transform AshRemoteWindowTreeHostWin::GetInverseRootTransform() const {
   return transformer_helper_.GetInverseTransform();
 }
 
 void AshRemoteWindowTreeHostWin::UpdateRootWindowSize(
     const gfx::Size& host_size) {
   transformer_helper_.UpdateWindowSize(host_size);
 }
 
 }  // namespace ash