Move variations component code to variations namespace.

components/variations/processed_study.cc

 // Copyright 2013 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 "components/variations/processed_study.h"
 
 #include <set>
 #include <string>
 
 #include "base/version.h"
 #include "components/variations/proto/study.pb.h"
 
-namespace chrome_variations {
+namespace variations {
 
 namespace {
 
 // Validates the sanity of |study| and computes the total probability.
 bool ValidateStudyAndComputeTotalProbability(
     const Study& study,
     base::FieldTrial::Probability* total_probability) {
   // At the moment, a missing default_experiment_name makes the study invalid.
   if (study.default_experiment_name().empty()) {
     DVLOG(1) << study.name() << " has no default experiment defined.";
@@ skipping 83 matching lines @@
     bool is_expired,
     std::vector<ProcessedStudy>* processed_studies) {
   ProcessedStudy processed_study;
   if (processed_study.Init(study, is_expired)) {
     processed_studies->push_back(processed_study);
     return true;
   }
   return false;
 }
 
-}  // namespace chrome_variations
+}  // namespace variations