Tag some of Mojo heap allocations for the heap profiler.

content/browser/loader/mojo_async_resource_handler.cc

 // Copyright 2016 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 "content/browser/loader/mojo_async_resource_handler.h"
 
 #include <algorithm>
 #include <utility>
 #include <vector>
 
@@ skipping 103 matching lines @@
 
 MojoAsyncResourceHandler::MojoAsyncResourceHandler(
     net::URLRequest* request,
     ResourceDispatcherHostImpl* rdh,
     mojom::URLLoaderAssociatedRequest mojo_request,
     mojom::URLLoaderClientAssociatedPtr url_loader_client,
     ResourceType resource_type)
     : ResourceHandler(request),
       rdh_(rdh),
       binding_(this, std::move(mojo_request)),
+      handle_watcher_(FROM_HERE),
       url_loader_client_(std::move(url_loader_client)),
       weak_factory_(this) {
   DCHECK(url_loader_client_);
   InitializeResourceBufferConstants();
   // This unretained pointer is safe, because |binding_| is owned by |this| and
   // the callback will never be called after |this| is destroyed.
   binding_.set_connection_error_handler(
       base::Bind(&MojoAsyncResourceHandler::Cancel, base::Unretained(this)));
 
   if (IsResourceTypeFrame(resource_type)) {
@@ skipping 410 matching lines @@
       base::Bind(&MojoAsyncResourceHandler::OnUploadProgressACK,
                  weak_factory_.GetWeakPtr()));
 }
 
 void MojoAsyncResourceHandler::OnUploadProgressACK() {
   if (upload_progress_tracker_)
     upload_progress_tracker_->OnAckReceived();
 }
 
 }  // namespace content