Convert ViewMsg_NetworkStateChanged from routed -> control, allowing

content/common/view_messages.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.
 
 // IPC messages for page rendering.
 // Multiply-included message file, hence no include guard.
 
 #include "base/process.h"
 #include "base/shared_memory.h"
 #include "content/common/common_param_traits.h"
@@ skipping 1130 matching lines @@
 IPC_MESSAGE_ROUTED0(ViewMsg_WorkerCreated)
 
 // The response to ViewHostMsg_AsyncOpenFile.
 IPC_MESSAGE_ROUTED3(ViewMsg_AsyncOpenFile_ACK,
                     base::PlatformFileError /* error_code */,
                     IPC::PlatformFileForTransit /* file descriptor */,
                     int /* message_id */)
 
 // Tells the renderer that the network state has changed and that
 // window.navigator.onLine should be updated for all WebViews.
-IPC_MESSAGE_ROUTED1(ViewMsg_NetworkStateChanged,
-                    bool /* online */)
+IPC_MESSAGE_CONTROL1(ViewMsg_NetworkStateChanged,
+                     bool /* online */)
 
 // Enable accessibility in the renderer process.
 IPC_MESSAGE_ROUTED0(ViewMsg_EnableAccessibility)
 
 // Relay a request from assistive technology to set focus to a given node.
 IPC_MESSAGE_ROUTED1(ViewMsg_SetAccessibilityFocus,
                     int /* object id */)
 
 // Relay a request from assistive technology to perform the default action
 // on a given node.
@@ skipping 792 matching lines @@
                     std::string /* value */)
 
 // Send back a string to be recorded by UserMetrics.
 IPC_MESSAGE_CONTROL1(ViewHostMsg_UserMetricsRecordAction,
                      std::string /* action */)
 
 // Provide the browser process with current renderer framerate.
 IPC_MESSAGE_CONTROL2(ViewHostMsg_FPS,
                      int /* routing id */,
                      float /* frames per second */)