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

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

Index: chrome/browser/extensions/api/messaging/native_process_launcher.h
diff --git a/chrome/browser/extensions/api/messaging/native_process_launcher.h b/chrome/browser/extensions/api/messaging/native_process_launcher.h
index 5ab1fce7027183f308cb6b61d730f8d895e0529e..325e49371c9742d52c65b39059602de796048342 100644
--- a/chrome/browser/extensions/api/messaging/native_process_launcher.h
+++ b/chrome/browser/extensions/api/messaging/native_process_launcher.h
@@ -9,6 +9,7 @@
 #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;
@@ -36,7 +37,8 @@ class NativeProcessLauncher {
                                base::PlatformFile read_file,
                                base::PlatformFile write_file)> LaunchedCallback;
 
-  static scoped_ptr<NativeProcessLauncher> CreateDefault();
+  static scoped_ptr<NativeProcessLauncher> CreateDefault(
+      gfx::NativeWindow native_view);
 
   NativeProcessLauncher() {}
   virtual ~NativeProcessLauncher() {}