Add AssertNoURLRequests() to URLRequestContext subclass destructors.

chrome/browser/net/connection_tester.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 "chrome/browser/net/connection_tester.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/logging.h"
@@ skipping 41 matching lines @@
 class ExperimentURLRequestContext : public net::URLRequestContext {
  public:
   explicit ExperimentURLRequestContext(
       net::URLRequestContext* proxy_request_context) :
 #if !defined(OS_IOS)
         proxy_request_context_(proxy_request_context),
 #endif
         storage_(this),
         weak_factory_(this) {}
 
-  virtual ~ExperimentURLRequestContext() {}
+  virtual ~ExperimentURLRequestContext() {
+    AssertNoURLRequests();
+  }
 
   // Creates a proxy config service for |experiment|. On success returns net::OK
   // and fills |config_service| with a new pointer. Otherwise returns a network
   // error code.
   int CreateProxyConfigService(
       ConnectionTester::ProxySettingsExperiment experiment,
       scoped_ptr<net::ProxyConfigService>* config_service,
       base::Callback<void(int)> callback) {
     switch (experiment) {
       case ConnectionTester::PROXY_EXPERIMENT_USE_SYSTEM_SETTINGS:
@@ skipping 461 matching lines @@
 
   // Notify the delegate of completion.
   delegate_->OnCompletedConnectionTestExperiment(current, result);
 
   if (remaining_experiments_.empty()) {
     delegate_->OnCompletedConnectionTestSuite();
   } else {
     StartNextExperiment();
   }
 }