Fix buglet calling out to JS from plugin.

remoting/host/plugin/host_script_object.h

 // Copyright (c) 2011 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 REMOTING_HOST_PLUGIN_HOST_SCRIPT_OBJECT_H_
 #define REMOTING_HOST_PLUGIN_HOST_SCRIPT_OBJECT_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 88 matching lines @@
   // Helper functions that run on main thread. Can be called on any
   // other thread.
   void ConnectInternal(const std::string& uid,
                        const std::string& auth_token,
                        const std::string& auth_service);
   void DisconnectInternal();
 
   // Callback for ChromotingHost::Shutdown().
   void OnShutdownFinished();
 
-  // Call a JavaScript function wrapped as an NPObject.
-  // If result is non-null, the result of the call will be stored in it.
-  // Caller is responsible for releasing result if they ask for it.
-  static bool CallJSFunction(NPObject* func,
+  // Helper function for executing InvokeDefault on an NPObject, and ignoring
+  // the return value.
+  bool InvokeAndIgnoreResult(NPObject* func,
                              const NPVariant* args,
-                             uint32_t argCount,
-                             NPVariant* result);
+                             uint32_t argCount);
 
   // Posts a task on the main NP thread.
   void PostTaskToNPThread(const tracked_objects::Location& from_here,
                           Task* task);
 
   // Utility function for PostTaskToNPThread.
   static void NPTaskSpringboard(void* task);
 
   // Set an exception for the current call.
   void SetException(const std::string& exception_string);
@@ skipping 14 matching lines @@
 
   base::WaitableEvent disconnected_event_;
   base::CancellationFlag destructing_;
 };
 
 }  // namespace remoting
 
 DISABLE_RUNNABLE_METHOD_REFCOUNT(remoting::HostNPScriptObject);
 
 #endif  // REMOTING_HOST_HOST_SCRIPT_OBJECT_H_