Re-write many calls to WrapUnique() with MakeUnique()

net/url_request/url_fetcher_impl_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 "net/url_request/url_fetcher_impl.h"
 
 #include <stdint.h>
 #include <string.h>
 
 #include <algorithm>
@@ skipping 161 matching lines @@
   // All requests for |hanging_domain| will hang on host resolution until the
   // mock_resolver()->ResolveAllPending() is called.
   explicit FetcherTestURLRequestContext(const std::string& hanging_domain)
       : TestURLRequestContext(true), mock_resolver_(new MockHostResolver()) {
     mock_resolver_->set_ondemand_mode(true);
     mock_resolver_->rules()->AddRule(hanging_domain, "127.0.0.1");
     // Pass ownership to ContextStorage to ensure correct destruction order.
     context_storage_.set_host_resolver(
         std::unique_ptr<HostResolver>(mock_resolver_));
     context_storage_.set_throttler_manager(
-        base::WrapUnique(new URLRequestThrottlerManager()));
+        base::MakeUnique<URLRequestThrottlerManager>());
     Init();
   }
 
   MockHostResolver* mock_resolver() { return mock_resolver_; }
 
  private:
   MockHostResolver* mock_resolver_;
 
   DISALLOW_COPY_AND_ASSIGN(FetcherTestURLRequestContext);
 };
@@ skipping 1343 matching lines @@
   EXPECT_EQ(-1, delegate.fetcher()->GetResponseCode());
   EXPECT_FALSE(delegate.fetcher()->GetResponseHeaders());
   std::string data;
   EXPECT_TRUE(delegate.fetcher()->GetResponseAsString(&data));
   EXPECT_TRUE(data.empty());
 }
 
 }  // namespace
 
 }  // namespace net