Provide access to the ID for the remoted Windows session in the network process

remoting/host/fake_desktop_environment.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 "remoting/host/fake_desktop_environment.h"
 
 #include <utility>
 
 #include "base/memory/ptr_util.h"
 #include "remoting/host/audio_capturer.h"
@@ skipping 74 matching lines @@
 FakeDesktopEnvironment::CreateMouseCursorMonitor() {
   return base::WrapUnique(new FakeMouseCursorMonitor());
 }
 
 std::string FakeDesktopEnvironment::GetCapabilities() const {
   return std::string();
 }
 
 void FakeDesktopEnvironment::SetCapabilities(const std::string& capabilities) {}
 
+uint32_t FakeDesktopEnvironment::GetDesktopSessionId() const {
+  return UINT32_MAX;
+}
+
 FakeDesktopEnvironmentFactory::FakeDesktopEnvironmentFactory() {}
 FakeDesktopEnvironmentFactory::~FakeDesktopEnvironmentFactory() {}
 
 // DesktopEnvironmentFactory implementation.
 std::unique_ptr<DesktopEnvironment> FakeDesktopEnvironmentFactory::Create(
     base::WeakPtr<ClientSessionControl> client_session_control) {
   std::unique_ptr<FakeDesktopEnvironment> result(new FakeDesktopEnvironment());
   result->set_frame_generator(frame_generator_);
   last_desktop_environment_ = result->AsWeakPtr();
   return std::move(result);
 }
 
 void FakeDesktopEnvironmentFactory::SetEnableCurtaining(bool enable) {}
 
 bool FakeDesktopEnvironmentFactory::SupportsAudioCapture() const {
   return false;
 }
 
 }  // namespace remoting