Wires up immersive mode for chrome and mash

services/ui/ws/window_tree.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 "services/ui/ws/window_tree.h"
 
 #include <stddef.h>
 
 #include <utility>
 
@@ skipping 1274 matching lines @@
 }
 
 void WindowTree::AttachSurface(Id transport_window_id,
                                mojom::SurfaceType type,
                                mojo::InterfaceRequest<mojom::Surface> surface,
                                mojom::SurfaceClientPtr client) {
   ServerWindow* window =
       GetWindowByClientId(ClientWindowId(transport_window_id));
   const bool success =
       window && access_policy_->CanSetWindowSurface(window, type);
-  if (!success)
+  if (!success) {
+    DVLOG(1) << "request to AttachSurface failed";
     return;
+  }
   window->CreateSurface(type, std::move(surface), std::move(client));
 }
 
 void WindowTree::SetWindowTextInputState(Id transport_window_id,
                                          mojo::TextInputStatePtr state) {
   ServerWindow* window =
       GetWindowByClientId(ClientWindowId(transport_window_id));
   bool success = window && access_policy_->CanSetWindowTextInputState(window);
   if (success)
     window->SetTextInputState(state.To<ui::TextInputState>());
@@ skipping 367 matching lines @@
 }
 
 bool WindowTree::IsWindowRootOfAnotherTreeForAccessPolicy(
     const ServerWindow* window) const {
   WindowTree* tree = window_server_->GetTreeWithRoot(window);
   return tree && tree != this;
 }
 
 }  // namespace ws
 }  // namespace ui