Pass handle of the native view window to the native messaging host.

chrome/browser/extensions/api/messaging/native_process_launcher.h

 // 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.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_API_MESSAGING_NATIVE_PROCESS_LAUNCHER_H_
 #define CHROME_BROWSER_EXTENSIONS_API_MESSAGING_NATIVE_PROCESS_LAUNCHER_H_
 
 #include "base/callback_forward.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/platform_file.h"
 #include "base/process/process.h"
+#include "ui/gfx/native_widget_types.h"
 
 class CommandLine;
 class GURL;
 
 namespace base {
 class FilePath;
 }
 
 namespace extensions {
 
 class NativeProcessLauncher {
  public:
   enum LaunchResult {
     RESULT_SUCCESS,
     RESULT_INVALID_NAME,
     RESULT_NOT_FOUND,
     RESULT_FORBIDDEN,
     RESULT_FAILED_TO_START,
   };
 
   // Callback that's called after the process has been launched. |result| is
   // set to false in case of a failure. Handler must take ownership of the IO
   // handles.
   typedef base::Callback<void (LaunchResult result,
                                base::PlatformFile read_file,
                                base::PlatformFile write_file)> LaunchedCallback;
 
-  static scoped_ptr<NativeProcessLauncher> CreateDefault();
+  static scoped_ptr<NativeProcessLauncher> CreateDefault(
+      gfx::NativeView native_view);
 
   NativeProcessLauncher() {}
   virtual ~NativeProcessLauncher() {}
 
   // Finds native messaging host with the specified name and launches it
   // asynchronously. Also checks that the specified |origin| is permitted to
   // access the host. |callback| is called after the process has been started.
   // If the launcher is destroyed before the callback is called then the call is
   // canceled and the process is stopped if it has been started already (by
   // closing IO pipes).
@@ skipping 15 matching lines @@
       base::PlatformFile* read_file,
       base::PlatformFile* write_file);
 
  private:
   DISALLOW_COPY_AND_ASSIGN(NativeProcessLauncher);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_MESSAGING_NATIVE_PROCESS_LAUNCHER_H_