Remove stack trace from URLFetcher / URLRequest for debugging

net/url_request/url_request_context.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 "net/url_request/url_request_context.h"
 
 #include "base/compiler_specific.h"
 #include "base/debug/alias.h"
-#include "base/debug/stack_trace.h"
 #include "base/memory/ptr_util.h"
 #include "base/strings/string_util.h"
 #include "net/cookies/cookie_store.h"
 #include "net/dns/host_resolver.h"
 #include "net/http/http_transaction_factory.h"
 #include "net/url_request/http_user_agent_settings.h"
 #include "net/url_request/url_request.h"
 
 namespace net {
 
@@ skipping 70 matching lines @@
 
 void URLRequestContext::AssertNoURLRequests() const {
   int num_requests = url_requests_->size();
   if (num_requests != 0) {
     // We're leaking URLRequests :( Dump the URL of the first one and record how
     // many we leaked so we have an idea of how bad it is.
     char url_buf[128];
     const URLRequest* request = *url_requests_->begin();
     base::strlcpy(url_buf, request->url().spec().c_str(), arraysize(url_buf));
     int load_flags = request->load_flags();
-    base::debug::StackTrace stack_trace(NULL, 0);
-    if (request->stack_trace())
-      stack_trace = *request->stack_trace();
     base::debug::Alias(url_buf);
     base::debug::Alias(&num_requests);
     base::debug::Alias(&load_flags);
-    base::debug::Alias(&stack_trace);
     CHECK(false) << "Leaked " << num_requests << " URLRequest(s). First URL: "
                  << request->url().spec().c_str() << ".";
   }
 }
 
 }  // namespace net