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command_line_helper.cc
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command_line_helper.cc
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// Copyright 2016 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 "android_webview/browser/command_line_helper.h"
#include <vector>
#include "base/command_line.h"
#include "base/feature_list.h"
#include "base/stl_util.h"
#include "base/strings/string_util.h"
#include "content/public/common/content_switches.h"
using std::string;
using std::vector;
// static
void CommandLineHelper::AddEnabledFeature(base::CommandLine& command_line,
const string& feature_name) {
const string enabled_features_list =
command_line.GetSwitchValueASCII(switches::kEnableFeatures);
const string disabled_features_list =
command_line.GetSwitchValueASCII(switches::kDisableFeatures);
if (enabled_features_list.empty() && disabled_features_list.empty()) {
command_line.AppendSwitchASCII(switches::kEnableFeatures, feature_name);
return;
}
vector<string> enabled_features =
base::FeatureList::SplitFeatureListString(enabled_features_list);
vector<string> disabled_features =
base::FeatureList::SplitFeatureListString(disabled_features_list);
if (!base::ContainsValue(enabled_features, feature_name) &&
!base::ContainsValue(disabled_features, feature_name)) {
enabled_features.push_back(feature_name);
command_line.AppendSwitchASCII(switches::kEnableFeatures,
base::JoinString(enabled_features, ","));
}
}