Adds some code to help isolate where crash is happening

components/html_viewer/web_url_loader_impl.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 "components/html_viewer/web_url_loader_impl.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/numerics/safe_conversions.h"
 #include "base/strings/string_util.h"
@@ skipping 61 matching lines @@
 }
 
 WebURLRequestExtraData::~WebURLRequestExtraData() {
 }
 
 WebURLLoaderImpl::WebURLLoaderImpl(mojo::URLLoaderFactory* url_loader_factory,
                                    MockWebBlobRegistryImpl* web_blob_registry)
     : client_(NULL),
       web_blob_registry_(web_blob_registry),
       referrer_policy_(blink::WebReferrerPolicyDefault),
+      handle_watcher_(15),
       weak_factory_(this) {
   url_loader_factory->CreateURLLoader(GetProxy(&url_loader_));
 }
 
 WebURLLoaderImpl::~WebURLLoaderImpl() {
 }
 
 void WebURLLoaderImpl::loadSynchronously(
     const blink::WebURLRequest& request,
     blink::WebURLResponse& response,
@@ skipping 213 matching lines @@
       MOJO_DEADLINE_INDEFINITE,
       base::Bind(&WebURLLoaderImpl::OnResponseBodyStreamReady,
                  weak_factory_.GetWeakPtr()));
 }
 
 void WebURLLoaderImpl::OnResponseBodyStreamReady(MojoResult result) {
   ReadMore();
 }
 
 }  // namespace html_viewer