WebRTC-DeprecateGlobalFieldTrialString/Enabled/ - part 1
This cl/
1) move WebRtcKeyValueConfig from api/transport to api/ directory.
2) add a test/ScopedKeyValueConfig (compare ScopedFieldTrials).
3) removes usage of webrtc::field_trial:: from the pc/ directory.
4) removes a few unused includes of system_wrappers/field_trial.h.
Bug: webrtc:10335
Change-Id: If29c07900dbe791050b0a5ad05332bedfad035f2
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/253903
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Commit-Queue: Jonas Oreland <jonaso@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#36160}
diff --git a/test/scoped_key_value_config.h b/test/scoped_key_value_config.h
new file mode 100644
index 0000000..a00f61a
--- /dev/null
+++ b/test/scoped_key_value_config.h
@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2020 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifndef TEST_SCOPED_KEY_VALUE_CONFIG_H_
+#define TEST_SCOPED_KEY_VALUE_CONFIG_H_
+
+#include <map>
+#include <memory>
+#include <string>
+
+#include "absl/strings/string_view.h"
+#include "api/webrtc_key_value_config.h"
+#include "test/field_trial.h"
+
+namespace webrtc {
+namespace test {
+
+class ScopedKeyValueConfig : public WebRtcKeyValueConfig {
+ public:
+ virtual ~ScopedKeyValueConfig();
+ ScopedKeyValueConfig();
+ explicit ScopedKeyValueConfig(const std::string& s);
+ ScopedKeyValueConfig(ScopedKeyValueConfig& parent, const std::string& s);
+
+ std::string Lookup(absl::string_view key) const override;
+
+ private:
+ ScopedKeyValueConfig(ScopedKeyValueConfig* parent, const std::string& s);
+ ScopedKeyValueConfig* GetRoot(ScopedKeyValueConfig* n);
+ std::string LookupRecurse(absl::string_view key) const;
+
+ ScopedKeyValueConfig* const parent_;
+
+ // The leaf in a list of stacked ScopedKeyValueConfig.
+ // Only set on root (e.g with parent_ == nullptr).
+ const ScopedKeyValueConfig* leaf_;
+
+ std::map<std::string, std::string> key_value_map_;
+ std::unique_ptr<ScopedFieldTrials> scoped_field_trials_;
+};
+
+} // namespace test
+} // namespace webrtc
+
+#endif // TEST_SCOPED_KEY_VALUE_CONFIG_H_
