Switch to standard integer types in components/, part 4 of 4.

components/variations/variations_http_header_provider.h

 // 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.
 
 #ifndef COMPONENTS_VARIATIONS_VARIATIONS_HTTP_HEADER_PROVIDER_H_
 #define COMPONENTS_VARIATIONS_VARIATIONS_HTTP_HEADER_PROVIDER_H_
 
 #include <set>
 #include <string>
 #include <vector>
 
-#include "base/basictypes.h"
 #include "base/gtest_prod_util.h"
+#include "base/macros.h"
 #include "base/metrics/field_trial.h"
 #include "base/synchronization/lock.h"
 #include "components/variations/synthetic_trials.h"
 #include "components/variations/variations_associated_data.h"
 
 namespace base {
 template <typename T>
 struct DefaultSingletonTraits;
 }
 
@@ skipping 86 matching lines @@
   std::set<VariationID> synthetic_variation_ids_set_;
 
   std::string variation_ids_header_;
 
   DISALLOW_COPY_AND_ASSIGN(VariationsHttpHeaderProvider);
 };
 
 }  // namespace variations
 
 #endif  // COMPONENTS_VARIATIONS_VARIATIONS_HTTP_HEADER_PROVIDER_H_