1 // Copyright 2015 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "components/version_ui/version_handler_helper.h" 6 7 #include <utility> 8 #include <vector> 9 10 #include "base/base_switches.h" 11 #include "base/metrics/field_trial.h" 12 #include "base/strings/string_piece.h" 13 #include "base/strings/string_util.h" 14 #include "base/values.h" 15 #include "components/variations/active_field_trials.h" 16 #include "components/variations/net/variations_command_line.h" 17 18 namespace version_ui { 19 GetVariationsList()20std::unique_ptr<base::Value> GetVariationsList() { 21 std::vector<std::string> variations; 22 #if !defined(NDEBUG) 23 base::FieldTrial::ActiveGroups active_groups; 24 base::FieldTrialList::GetActiveFieldTrialGroups(&active_groups); 25 26 const unsigned char kNonBreakingHyphenUTF8[] = {0xE2, 0x80, 0x91, '\0'}; 27 const std::string kNonBreakingHyphenUTF8String( 28 reinterpret_cast<const char*>(kNonBreakingHyphenUTF8)); 29 for (const auto& group : active_groups) { 30 std::string line = group.trial_name + ":" + group.group_name; 31 base::ReplaceChars(line, "-", kNonBreakingHyphenUTF8String, &line); 32 variations.push_back(line); 33 } 34 #else 35 // In release mode, display the hashes only. 36 variations::GetFieldTrialActiveGroupIdsAsStrings(base::StringPiece(), 37 &variations); 38 #endif 39 40 std::unique_ptr<base::ListValue> variations_list(new base::ListValue); 41 for (std::vector<std::string>::const_iterator it = variations.begin(); 42 it != variations.end(); ++it) { 43 variations_list->AppendString(*it); 44 } 45 46 return std::move(variations_list); 47 } 48 GetVariationsCommandLineAsValue()49base::Value GetVariationsCommandLineAsValue() { 50 return base::Value(variations::GetVariationsCommandLine()); 51 } 52 53 } // namespace version_ui 54