Mojo-ifying chrome://version.

components/version_ui/version_handler_helper.cc

 // Copyright 2015 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/version_ui/version_handler_helper.h"
 
 #include <vector>
 
 #include "base/metrics/field_trial.h"
 #include "base/strings/string_util.h"
 #include "base/values.h"
 #include "components/variations/active_field_trials.h"
 
 namespace version_ui {
 
-scoped_ptr<base::Value> GetVariationsList() {
-  std::vector<std::string> variations;
+scoped_ptr<std::vector<std::string>> GetVariations() {
+  scoped_ptr<std::vector<std::string>> variations(
+      new std::vector<std::string>);
 #if !defined(NDEBUG)
   base::FieldTrial::ActiveGroups active_groups;
   base::FieldTrialList::GetActiveFieldTrialGroups(&active_groups);
 
   const unsigned char kNonBreakingHyphenUTF8[] = {0xE2, 0x80, 0x91, '\0'};
   const std::string kNonBreakingHyphenUTF8String(
       reinterpret_cast<const char*>(kNonBreakingHyphenUTF8));
   for (const auto& group : active_groups) {
     std::string line = group.trial_name + ":" + group.group_name;
     base::ReplaceChars(line, "-", kNonBreakingHyphenUTF8String, &line);
-    variations.push_back(line);
+    variations->push_back(line);
   }
 #else
   // In release mode, display the hashes only.
-  variations::GetFieldTrialActiveGroupIdsAsStrings(&variations);
+  variations::GetFieldTrialActiveGroupIdsAsStrings(variations.get());
 #endif
+  return variations.Pass();
+}
 
+#if defined(OS_IOS)
+scoped_ptr<base::Value> GetVariationsList() {
+  scoped_ptr<std::vector<std::string>> variations = GetVariations();
   scoped_ptr<base::ListValue> variations_list(new base::ListValue);
-  for (std::vector<std::string>::const_iterator it = variations.begin();
-       it != variations.end(); ++it) {
+  for (std::vector<std::string>::const_iterator it = variations->begin();
+       it != variations->end(); ++it) {
     variations_list->Append(new base::StringValue(*it));
   }
 
   return variations_list.Pass();
 }
+#endif
 
 }  // namespace version_ui