Remove stack trace from URLFetcher / URLRequest for debugging

net/url_request/url_request.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.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/callback.h"
 #include "base/compiler_specific.h"
-#include "base/debug/stack_trace.h"
 #include "base/lazy_instance.h"
 #include "base/memory/singleton.h"
 #include "base/message_loop/message_loop.h"
 #include "base/profiler/scoped_tracker.h"
 #include "base/rand_util.h"
 #include "base/stl_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/synchronization/lock.h"
 #include "base/values.h"
 #include "net/base/auth.h"
@@ skipping 1160 matching lines @@
 
 void URLRequest::OnCallToDelegateComplete() {
   // This should have been cleared before resuming the request.
   DCHECK(blocked_by_.empty());
   if (!calling_delegate_)
     return;
   calling_delegate_ = false;
   net_log_.EndEvent(NetLog::TYPE_URL_REQUEST_DELEGATE);
 }
 
-void URLRequest::set_stack_trace(const base::debug::StackTrace& stack_trace) {
-  stack_trace_.reset(new base::debug::StackTrace(stack_trace));
-}
-
-const base::debug::StackTrace* URLRequest::stack_trace() const {
-  return stack_trace_.get();
-}
-
 void URLRequest::GetConnectionAttempts(ConnectionAttempts* out) const {
   if (job_)
     job_->GetConnectionAttempts(out);
   else
     out->clear();
 }
 
 }  // namespace net