Move variations component code to variations namespace.

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>
 
@@ skipping 78 matching lines @@
 
   // Guards |variation_ids_cache_initialized_|, |variation_ids_set_| and
   // |variation_ids_header_|.
   base::Lock lock_;
 
   // Whether or not we've initialized the cache.
   bool variation_ids_cache_initialized_;
 
   // Keep a cache of variation IDs that are transmitted in headers to Google.
   // This consists of a list of valid IDs, and the actual transmitted header.
-  std::set<chrome_variations::VariationID> variation_ids_set_;
-  std::set<chrome_variations::VariationID> variation_trigger_ids_set_;
+  std::set<VariationID> variation_ids_set_;
+  std::set<VariationID> variation_trigger_ids_set_;
 
   // Provides the google experiment ids forced from command line.
-  std::set<chrome_variations::VariationID> default_variation_ids_set_;
-  std::set<chrome_variations::VariationID> default_trigger_id_set_;
+  std::set<VariationID> default_variation_ids_set_;
+  std::set<VariationID> default_trigger_id_set_;
 
   std::string variation_ids_header_;
 
   DISALLOW_COPY_AND_ASSIGN(VariationsHttpHeaderProvider);
 };
 
 }  // namespace variations
 
 #endif  // COMPONENTS_VARIATIONS_VARIATIONS_HTTP_HEADER_PROVIDER_H_