[net] Switch TestURLRequestContext to use MockCachingHostResolver.

chrome/browser/extensions/api/web_request/web_request_api_unittest.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 <queue>
 #include <map>
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/file_util.h"
@@ skipping 10 matching lines @@
 #include "chrome/browser/extensions/extension_event_router_forwarder.h"
 #include "chrome/browser/net/chrome_network_delegate.h"
 #include "chrome/browser/prefs/pref_member.h"
 #include "chrome/common/extensions/extension_messages.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/test/base/testing_browser_process.h"
 #include "chrome/test/base/testing_pref_service.h"
 #include "chrome/test/base/testing_profile.h"
 #include "content/test/test_browser_thread.h"
 #include "net/base/auth.h"
+#include "net/base/mock_host_resolver.h"
 #include "net/base/net_util.h"
 #include "net/url_request/url_request_test_util.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace helpers = extension_web_request_api_helpers;
 namespace keys = extension_web_request_api_constants;
 
 using helpers::CalculateOnAuthRequiredDelta;
 using helpers::CalculateOnBeforeRequestDelta;
 using helpers::CalculateOnBeforeSendHeadersDelta;
@@ skipping 79 matching lines @@
         io_thread_(content::BrowserThread::IO, &message_loop_) {}
 
  protected:
   virtual void SetUp() OVERRIDE {
     event_router_ = new ExtensionEventRouterForwarder();
     enable_referrers_.Init(
         prefs::kEnableReferrers, profile_.GetTestingPrefService(), NULL);
     network_delegate_.reset(new ChromeNetworkDelegate(
         event_router_.get(), NULL, NULL, &profile_,
         CookieSettings::Factory::GetForProfile(&profile_), &enable_referrers_));
-    context_.reset(new TestURLRequestContext());
+    context_.reset(new TestURLRequestContext(true));
     context_->set_network_delegate(network_delegate_.get());
+    context_->Init();
   }
 
   MessageLoopForIO message_loop_;
   content::TestBrowserThread ui_thread_;
   content::TestBrowserThread io_thread_;
   TestingProfile profile_;
   TestDelegate delegate_;
   BooleanPrefMember enable_referrers_;
   TestIPCSender ipc_sender_;
   scoped_refptr<ExtensionEventRouterForwarder> event_router_;
@@ skipping 295 matching lines @@
         io_thread_(content::BrowserThread::IO, &message_loop_) {}
 
  protected:
   virtual void SetUp() {
     event_router_ = new ExtensionEventRouterForwarder();
     enable_referrers_.Init(
         prefs::kEnableReferrers, profile_.GetTestingPrefService(), NULL);
     network_delegate_.reset(new ChromeNetworkDelegate(
         event_router_.get(), NULL, NULL, &profile_,
         CookieSettings::Factory::GetForProfile(&profile_), &enable_referrers_));
-    context_.reset(new TestURLRequestContext());
+    context_.reset(new TestURLRequestContext(true));
+    host_resolver_.reset(new net::MockHostResolver());
+    host_resolver_->rules()->AddSimulatedFailure("doesnotexist");
+    context_->set_host_resolver(host_resolver_.get());
     context_->set_network_delegate(network_delegate_.get());
+    context_->Init();
   }
 
   MessageLoopForIO message_loop_;
   content::TestBrowserThread ui_thread_;
   content::TestBrowserThread io_thread_;
   TestingProfile profile_;
   TestDelegate delegate_;
   BooleanPrefMember enable_referrers_;
   TestIPCSender ipc_sender_;
   scoped_refptr<ExtensionEventRouterForwarder> event_router_;
   scoped_refptr<ExtensionInfoMap> extension_info_map_;
   scoped_ptr<ChromeNetworkDelegate> network_delegate_;
+  scoped_ptr<net::MockHostResolver> host_resolver_;
   scoped_ptr<TestURLRequestContext> context_;
 };
 
 TEST_P(ExtensionWebRequestHeaderModificationTest, TestModifications) {
   std::string extension1_id("1");
   std::string extension2_id("2");
   std::string extension3_id("3");
   ExtensionWebRequestEventRouter::RequestFilter filter;
   const std::string kEventName(keys::kOnBeforeSendHeaders);
   base::WeakPtrFactory<TestIPCSender> ipc_sender_factory(&ipc_sender_);
@@ skipping 1029 matching lines @@
   };
   for (size_t i = 0; i < arraysize(sensitive_urls); ++i) {
     EXPECT_TRUE(helpers::HideRequestForURL(GURL(sensitive_urls[i])))
         << sensitive_urls[i];
   }
   for (size_t i = 0; i < arraysize(non_sensitive_urls); ++i) {
     EXPECT_FALSE(helpers::HideRequestForURL(GURL(non_sensitive_urls[i])))
         << non_sensitive_urls[i];
   }
 }