Revert 67662 - FBTF: Remove unneeded headers from base/ (part 10)...

chrome/default_plugin/plugin_install_job_monitor.h

 // Copyright (c) 2010 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.
 
 #ifndef CHROME_DEFAULT_PLUGIN_PLUGIN_INSTALL_JOB_MONITOR_H_
 #define CHROME_DEFAULT_PLUGIN_PLUGIN_INSTALL_JOB_MONITOR_H_
 #pragma once
 
 #include <windows.h>
 
+#include "base/logging.h"
 #include "base/thread.h"
 #include "base/ref_counted.h"
 
 // Provides the plugin installation job monitoring functionality.
 // The PluginInstallationJobMonitorThread class represents a background
 // thread which monitors the install job completion port which is associated
 // with the job when an instance of this class is initialized.
-class PluginInstallationJobMonitorThread
-    : public base::Thread,
-      public base::RefCountedThreadSafe<PluginInstallationJobMonitorThread> {
+class PluginInstallationJobMonitorThread :
+    public base::Thread,
+    public base::RefCountedThreadSafe<PluginInstallationJobMonitorThread> {
+
  public:
   PluginInstallationJobMonitorThread();
 
   // Initializes the plugin install job. This involves creating the job object
   // and starting the thread which monitors the job completion port.
   // Returns true on success.
   bool Initialize();
 
   // Stops job monitoring and invokes the base Stop function.
   void Stop();
 
   // Simple setter/getters for the plugin window handle.
-  void set_plugin_window(HWND plugin_window);
+  void set_plugin_window(HWND plugin_window) {
+    DCHECK(::IsWindow(plugin_window));
+    plugin_window_ = plugin_window;
+  }
 
   HWND plugin_window() const {
     return plugin_window_;
   }
 
   // Adds a process to the job object.
   //
   // Parameters:
   // process_handle
   //   Handle to the process which is to be added to the plugin install job.
@@ skipping 24 matching lines @@
   // The install job. Should be created before the job monitor thread
   // is started.
   HANDLE install_job_;
   // The plugin window handle.
   HWND plugin_window_;
 
   DISALLOW_COPY_AND_ASSIGN(PluginInstallationJobMonitorThread);
 };
 
 #endif  // CHROME_DEFAULT_PLUGIN_PLUGIN_INSTALL_JOB_MONITOR_H_