Move variations component code to variations namespace.

components/variations/study_filtering.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_STUDY_FILTERING_H_
 #define COMPONENTS_VARIATIONS_STUDY_FILTERING_H_
 
 #include <string>
 #include <vector>
 
 #include "base/compiler_specific.h"
 #include "base/time/time.h"
 #include "base/version.h"
 #include "components/variations/processed_study.h"
 #include "components/variations/proto/study.pb.h"
 #include "components/variations/proto/variations_seed.pb.h"
 
-namespace chrome_variations {
+namespace variations {
 
 // Internal functions exposed for testing purposes only.
 namespace internal {
 
 // Checks whether a study is applicable for the given |channel| per |filter|.
 bool CheckStudyChannel(const Study_Filter& filter, Study_Channel channel);
 
 // Checks whether a study is applicable for the given |form_factor| per
 // |filter|.
 bool CheckStudyFormFactor(const Study_Filter& filter,
@@ skipping 38 matching lines @@
 // resulting list will not have more than one study with the same name.
 void FilterAndValidateStudies(const VariationsSeed& seed,
                               const std::string& locale,
                               const base::Time& reference_date,
                               const base::Version& version,
                               Study_Channel channel,
                               Study_FormFactor form_factor,
                               const std::string& hardware_class,
                               std::vector<ProcessedStudy>* filtered_studies);
 
-}  // namespace chrome_variations
+}  // namespace variations
 
 #endif  // COMPONENTS_VARIATIONS_STUDY_FILTERING_H_