Tag some of Mojo heap allocations for the heap profiler.

ipc/ipc_mojo_bootstrap.cc

 // Copyright 2014 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_mojo_bootstrap.h"
 
 #include <stdint.h>
 
 #include <map>
 #include <memory>
@@ skipping 52 matching lines @@
     DCHECK(thread_checker_.CalledOnValidThread());
     DCHECK(task_runner_->BelongsToCurrentThread());
 
     connector_.reset(new mojo::Connector(
         std::move(handle), mojo::Connector::SINGLE_THREADED_SEND,
         task_runner_));
     connector_->set_incoming_receiver(&filters_);
     connector_->set_connection_error_handler(
         base::Bind(&ChannelAssociatedGroupController::OnPipeError,
                    base::Unretained(this)));
+    connector_->SetWatcherHeapProfilerTag("IPC Channel");
   }
 
   void Pause() {
     DCHECK(!paused_);
     paused_ = true;
   }
 
   void Unpause() {
     DCHECK(paused_);
     paused_ = false;
@@ skipping 767 matching lines @@
     Channel::Mode mode,
     Delegate* delegate,
     const scoped_refptr<base::SingleThreadTaskRunner>& ipc_task_runner) {
   return base::MakeUnique<MojoBootstrapImpl>(
       std::move(handle), delegate,
       new ChannelAssociatedGroupController(mode == Channel::MODE_SERVER,
                                            ipc_task_runner));
 }
 
 }  // namespace IPC