IPC::MessageFilter::OnFilterAdded: IPC::Sender -> IPC::Channel

components/tracing/child/child_trace_message_filter.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 "components/tracing/child/child_trace_message_filter.h"
 
 #include <memory>
 
 #include "base/memory/ref_counted_memory.h"
 #include "base/metrics/statistics_recorder.h"
@@ skipping 12 matching lines @@
 
 }  // namespace
 
 ChildTraceMessageFilter::ChildTraceMessageFilter(
     base::SingleThreadTaskRunner* ipc_task_runner)
     : sender_(NULL),
       ipc_task_runner_(ipc_task_runner),
       pending_memory_dump_guid_(0) {
 }
 
-void ChildTraceMessageFilter::OnFilterAdded(IPC::Sender* sender) {
-  sender_ = sender;
+void ChildTraceMessageFilter::OnFilterAdded(IPC::Channel* channel) {
+  sender_ = channel;
   sender_->Send(new TracingHostMsg_ChildSupportsTracing());
   ChildMemoryDumpManagerDelegateImpl::GetInstance()->SetChildTraceMessageFilter(
       this);
 }
 
 void ChildTraceMessageFilter::SetSenderForTesting(IPC::Sender* sender) {
   sender_ = sender;
 }
 
 void ChildTraceMessageFilter::OnFilterRemoved() {
@@ skipping 245 matching lines @@
   }
 }
 
 void ChildTraceMessageFilter::OnClearUMACallback(
     const std::string& histogram_name) {
   histogram_last_changed_ = base::Time();
   base::StatisticsRecorder::ClearCallback(histogram_name);
 }
 
 }  // namespace tracing