Remove WebDocument::createEvent.

content/renderer/render_frame_impl.cc

 // Copyright 2013 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 "content/renderer/render_frame_impl.h"
 
 #include <map>
 #include <string>
 
 #include "base/auto_reset.h"
@@ skipping 1730 matching lines @@
     converter.SetDateAllowed(true);
     converter.SetRegExpAllowed(true);
     scoped_ptr<base::Value> value(new base::StringValue(params.data));
     v8::Local<v8::Value> result_value = converter.ToV8Value(value.get(),
                                                              context);
     serialized_script_value = WebSerializedScriptValue::serialize(result_value);
   } else {
     serialized_script_value = WebSerializedScriptValue::fromString(params.data);
   }
 
-  // Create an event with the message.  The next-to-last parameter to
-  // initMessageEvent is the last event ID, which is not used with postMessage.
-  WebDOMEvent event = frame_->document().createEvent("MessageEvent");
-  WebDOMMessageEvent msg_event = event.to<WebDOMMessageEvent>();
-  msg_event.initMessageEvent("message",
-                             // |canBubble| and |cancellable| are always false
-                             false, false,
-                             serialized_script_value,
-                             params.source_origin, source_frame,
-                             frame_->document(), "", channels);
-
   // We must pass in the target_origin to do the security check on this side,
   // since it may have changed since the original postMessage call was made.
   WebSecurityOrigin target_origin;
   if (!params.target_origin.empty()) {
     target_origin =
         WebSecurityOrigin::createFromString(WebString(params.target_origin));
   }
+
+  WebDOMMessageEvent msg_event(serialized_script_value,
+                               params.source_origin,
+                               source_frame,
+                               frame_->document(),
+                               channels);
   frame_->dispatchMessageEventWithOriginCheck(target_origin, msg_event);
 }
 
 #if defined(OS_ANDROID)
 void RenderFrameImpl::OnSelectPopupMenuItems(
     bool canceled,
     const std::vector<int>& selected_indices) {
   // It is possible to receive more than one of these calls if the user presses
   // a select faster than it takes for the show-select-popup IPC message to make
   // it to the browser UI thread. Ignore the extra-messages.
@@ skipping 3359 matching lines @@
   mojo::ServiceProviderPtr service_provider;
   mojo::URLRequestPtr request(mojo::URLRequest::New());
   request->url = mojo::String::From(url);
   mojo_shell_->ConnectToApplication(request.Pass(), GetProxy(&service_provider),
                                     nullptr, nullptr,
                                     base::Bind(&OnGotContentHandlerID));
   return service_provider.Pass();
 }
 
 }  // namespace content