Move MessagePort implementation from android_webview to content

android_webview/browser/aw_message_port_message_filter.h

Index: android_webview/browser/aw_message_port_message_filter.h
diff --git a/android_webview/browser/aw_message_port_message_filter.h b/android_webview/browser/aw_message_port_message_filter.h
deleted file mode 100644
index ca0c8fb46fc85458840bf0c0ea11d269b7c800f4..0000000000000000000000000000000000000000
--- a/android_webview/browser/aw_message_port_message_filter.h
+++ /dev/null
@@ -1,58 +0,0 @@
-// 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.
-
-#ifndef ANDROID_WEBVIEW_BROWSER_MESSAGE_PORT_MESSAGE_FILTER_H_
-#define ANDROID_WEBVIEW_BROWSER_MESSAGE_PORT_MESSAGE_FILTER_H_
-
-#include "base/callback.h"
-#include "base/macros.h"
-#include "content/public/browser/browser_message_filter.h"
-#include "content/public/browser/message_port_delegate.h"
-
-namespace android_webview {
-
-// Filter for Aw specific MessagePort related IPC messages (creating and
-// destroying a MessagePort, sending a message via a MessagePort etc).
-class AwMessagePortMessageFilter : public content::BrowserMessageFilter,
-                                   public content::MessagePortDelegate {
- public:
-  explicit AwMessagePortMessageFilter(int route_id);
-
-  // BrowserMessageFilter implementation.
-  void OnChannelClosing() override;
-  bool OnMessageReceived(const IPC::Message& message) override;
-  void OnDestruct() const override;
-
-  void SendAppToWebMessage(int msg_port_route_id,
-                           const base::string16& message,
-                           const std::vector<int>& sent_message_port_ids);
-  void SendClosePortMessage(int message_port_id);
-
-  // MessagePortDelegate implementation.
-  void SendMessage(
-      int msg_port_route_id,
-      const base::string16& message,
-      const std::vector<int>& sent_message_ports)
-      override;
-  void SendMessagesAreQueued(int route_id) override;
- private:
-  friend class content::BrowserThread;
-  friend class base::DeleteHelper<AwMessagePortMessageFilter>;
-
-  void OnConvertedAppToWebMessage(
-      int msg_port_id,
-      const base::string16& message,
-      const std::vector<int>& sent_message_port_ids);
-  void OnClosePortAck(int message_port_id);
-
-  ~AwMessagePortMessageFilter() override;
-
-  int route_id_;
-
-  DISALLOW_COPY_AND_ASSIGN(AwMessagePortMessageFilter);
-};
-
-}   // namespace android_webview
-
-#endif  // ANDROID_WEBVIEW_BROWSER_MESSAGE_PORT_MESSAGE_FILTER_H_