[DevTools] Narrow down DevToolsNetworkInterceptor::Throttable.

chrome/browser/devtools/devtools_network_interceptor.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 "chrome/browser/devtools/devtools_network_interceptor.h"
 
 #include <limits>
 
 #include "base/time/time.h"
 #include "chrome/browser/devtools/devtools_network_conditions.h"
@@ skipping 59 matching lines @@
 
   if (conditions_->offline()) {
     timer_.Stop();
     throttled_.clear();
     suspended_.clear();
     Throttables old_throttables(throttables_);
     Throttables::iterator it = old_throttables.begin();
     for (;it != old_throttables.end(); ++it) {
       if (throttables_.find(*it) == throttables_.end())
         continue;
-      if (!(*it)->HasStarted() || (*it)->HasFailed())
-        continue;
       (*it)->Fail();
     }
     return;
   }
 
   if (conditions_->IsThrottling()) {
     DCHECK(conditions_->download_throughput() != 0);
     offset_ = now;
     last_tick_ = 0;
     int64_t us_tick_length =
@@ skipping 144 matching lines @@
   ArmTimer(now);
 }
 
 bool DevToolsNetworkInterceptor::ShouldFail() {
   return conditions_->offline();
 }
 
 bool DevToolsNetworkInterceptor::ShouldThrottle() {
   return conditions_->IsThrottling();
 }