Fixing an It2Me host crash on debug builds on Windows

remoting/host/input_injector_win.cc

 // Copyright (c) 2012 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/input_injector.h"
 
 #include <stdint.h>
 #include <windows.h>
 
 #include <utility>
@@ skipping 183 matching lines @@
     virtual ~Core();
 
     void HandleKey(const KeyEvent& event);
     void HandleText(const TextEvent& event);
     void HandleMouse(const MouseEvent& event);
     void HandleTouch(const TouchEvent& event);
 
     scoped_refptr<base::SingleThreadTaskRunner> main_task_runner_;
     scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner_;
     std::unique_ptr<Clipboard> clipboard_;
-    TouchInjectorWin touch_injector_;
+    std::unique_ptr<TouchInjectorWin> touch_injector_;
 
     DISALLOW_COPY_AND_ASSIGN(Core);
   };
 
   scoped_refptr<Core> core_;
 
   DISALLOW_COPY_AND_ASSIGN(InputInjectorWin);
 };
 
 InputInjectorWin::InputInjectorWin(
@@ skipping 93 matching lines @@
 void InputInjectorWin::Core::Start(
     std::unique_ptr<protocol::ClipboardStub> client_clipboard) {
   if (!ui_task_runner_->BelongsToCurrentThread()) {
     ui_task_runner_->PostTask(
         FROM_HERE,
         base::Bind(&Core::Start, this, base::Passed(&client_clipboard)));
     return;
   }
 
   clipboard_->Start(std::move(client_clipboard));
-  touch_injector_.Init();
+  touch_injector_.reset(new TouchInjectorWin());
+  touch_injector_->Init();
 }
 
 void InputInjectorWin::Core::Stop() {
   if (!ui_task_runner_->BelongsToCurrentThread()) {
     ui_task_runner_->PostTask(FROM_HERE, base::Bind(&Core::Stop, this));
     return;
   }
 
   clipboard_.reset();
-  touch_injector_.Deinitialize();
+  touch_injector_->Deinitialize();
 }
 
 InputInjectorWin::Core::~Core() {}
 
 void InputInjectorWin::Core::HandleKey(const KeyEvent& event) {
   // HostEventDispatcher should filter events missing the pressed field.
   DCHECK(event.has_pressed() && event.has_usb_keycode());
 
   // Reset the system idle suspend timeout.
   SetThreadExecutionState(ES_SYSTEM_REQUIRED);
@@ skipping 32 matching lines @@
   ParseMouseClickEvent(event, &inputs);
   ParseMouseWheelEvent(event, &inputs);
 
   if (!inputs.empty()) {
     if (SendInput(inputs.size(), inputs.data(), sizeof(INPUT)) != inputs.size())
       PLOG(ERROR) << "Failed to inject a mouse event";
   }
 }
 
 void InputInjectorWin::Core::HandleTouch(const TouchEvent& event) {
-  touch_injector_.InjectTouchEvent(event);
+  DCHECK(touch_injector_);
+  touch_injector_->InjectTouchEvent(event);
 }
 
 }  // namespace
 
 // static
 std::unique_ptr<InputInjector> InputInjector::Create(
     scoped_refptr<base::SingleThreadTaskRunner> main_task_runner,
     scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner) {
   return base::WrapUnique(
       new InputInjectorWin(main_task_runner, ui_task_runner));
 }
 
 // static
 bool InputInjector::SupportsTouchEvents() {
   return TouchInjectorWinDelegate::Create() != nullptr;
 }
 
 }  // namespace remoting