Fix plugin hang that Earth team found....

chrome/plugin/npobject_util.cc

 // Copyright (c) 2006-2008 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 "chrome/plugin/npobject_util.h"
 
 #if defined(OS_WIN)
 #include "chrome/common/plugin_messages.h"
 #include "chrome/common/win_util.h"
 #endif
@@ skipping 121 matching lines @@
   param->identifier = id;
 }
 
 NPIdentifier CreateNPIdentifier(const NPIdentifier_Param& param) {
   return param.identifier;
 }
 
 void CreateNPVariantParam(const NPVariant& variant,
                           PluginChannelBase* channel,
                           NPVariant_Param* param,
-                          bool release) {
+                          bool release,
+                          base::WaitableEvent* modal_dialog_event) {
   switch (variant.type) {
     case NPVariantType_Void:
       param->type = NPVARIANT_PARAM_VOID;
       break;
     case NPVariantType_Null:
       param->type = NPVARIANT_PARAM_NULL;
       break;
     case NPVariantType_Bool:
       param->type = NPVARIANT_PARAM_BOOL;
       param->bool_value = variant.value.boolValue;
@@ skipping 24 matching lines @@
       } else {
         // The channel could be NULL if there was a channel error. The caller's
         // Send call will fail anyways.
         if (channel) {
           // NPObjectStub adds its own reference to the NPObject it owns, so if
           // we were supposed to release the corresponding variant
           // (release==true), we should still do that.
           param->type = NPVARIANT_PARAM_OBJECT_ROUTING_ID;
           int route_id = channel->GenerateRouteID();
           NPObjectStub* object_stub = new NPObjectStub(
-              variant.value.objectValue, channel, route_id);
+              variant.value.objectValue, channel, route_id, modal_dialog_event);
           param->npobject_routing_id = route_id;
           param->npobject_pointer = variant.value.objectValue;
         } else {
           param->type = NPVARIANT_PARAM_VOID;
         }
       }
       break;
     }
     default:
       NOTREACHED();
@@ skipping 43 matching lines @@
     case NPVARIANT_PARAM_OBJECT_POINTER:
       result->type = NPVariantType_Object;
       result->value.objectValue = static_cast<NPObject*>(param.npobject_pointer);
       NPN_RetainObject(result->value.objectValue);
       break;
     default:
       NOTREACHED();
   }
 }
 #endif