Implement the plumbing to handle messages in a separate handler

android_webview/native/aw_message_port_service_impl.cc

 // Copyright 2015 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 "android_webview/native/aw_message_port_service_impl.h"
 
 #include "android_webview/browser/aw_browser_context.h"
 #include "android_webview/browser/aw_message_port_message_filter.h"
 #include "android_webview/native/aw_contents.h"
 #include "base/android/jni_array.h"
@@ skipping 80 matching lines @@
 
   base::string16 value;
   if (!message.GetString(0, &value)) {
     LOG(WARNING) << "Converting post message to a string failed for port "
         << message_port_id;
     return;
   }
   ScopedJavaLocalRef<jstring> jmsg = ConvertUTF16ToJavaString(env, value);
   ScopedJavaLocalRef<jintArray> jports =
       ToJavaIntArray(env, sent_message_port_ids);
-  Java_AwMessagePortService_onPostMessage(env,
-                                          jobj.obj(),
-                                          message_port_id,
-                                          jmsg.obj(),
-                                          jports.obj());
+  Java_AwMessagePortService_onReceivedMessage(env,
+                                              jobj.obj(),
+                                              message_port_id,
+                                              jmsg.obj(),
+                                              jports.obj());
 }
 
 void AwMessagePortServiceImpl::OnMessagePortMessageFilterClosing(
     AwMessagePortMessageFilter* filter) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
   for (MessagePorts::iterator iter = ports_.begin();
        iter != ports_.end(); iter++) {
     if (iter->second == filter) {
       ports_.erase(iter);
     }
@@ skipping 97 matching lines @@
 }
 
 // static
 jlong InitAwMessagePortService(JNIEnv* env, jobject obj) {
   AwMessagePortServiceImpl* service = AwMessagePortServiceImpl::GetInstance();
   service->Init(env, obj);
   return reinterpret_cast<intptr_t>(service);
 }
 
 }  // namespace android_webview