Reworks Channel pausing behavior

ipc/ipc_sync_channel.cc

 // Copyright (c) 2012 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 "ipc/ipc_sync_channel.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <utility>
@@ skipping 432 matching lines @@
 
   return Context::OnMessageReceivedNoFilter(msg);
 }
 
 void SyncChannel::SyncContext::OnChannelError() {
   CancelPendingSends();
   shutdown_watcher_.StopWatching();
   Context::OnChannelError();
 }
 
-void SyncChannel::SyncContext::OnChannelOpened(bool pause) {
+void SyncChannel::SyncContext::OnChannelOpened() {
   shutdown_watcher_.StartWatching(
       shutdown_event_,
       base::Bind(&SyncChannel::SyncContext::OnShutdownEventSignaled,
                  base::Unretained(this)));
-  Context::OnChannelOpened(pause);
+  Context::OnChannelOpened();
 }
 
 void SyncChannel::SyncContext::OnChannelClosed() {
   CancelPendingSends();
   shutdown_watcher_.StopWatching();
   Context::OnChannelClosed();
 }
 
 void SyncChannel::SyncContext::CancelPendingSends() {
   base::AutoLock auto_lock(deserializers_lock_);
@@ skipping 231 matching lines @@
 
 void SyncChannel::OnChannelInit() {
   for (const auto& filter : pre_init_sync_message_filters_) {
     filter->set_is_channel_send_thread_safe(
         context()->IsChannelSendThreadSafe());
   }
   pre_init_sync_message_filters_.clear();
 }
 
 }  // namespace IPC