Make RTCStatsReport::ToString() return JSON-parseable string.

webrtc/pc/rtcstatscollector_unittest.cc

 /*
  *  Copyright 2016 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.
  */
 
@@ skipping 36 matching lines @@
 using testing::Invoke;
 using testing::Return;
 using testing::ReturnNull;
 using testing::ReturnRef;
 using testing::SetArgPointee;
 
 namespace webrtc {
 
 // These are used by gtest code, such as if |EXPECT_EQ| fails.
 void PrintTo(const RTCCertificateStats& stats, ::std::ostream* os) {
-  *os << stats.ToString();
+  *os << stats.ToJson();
 }
 
 void PrintTo(const RTCCodecStats& stats, ::std::ostream* os) {
-  *os << stats.ToString();
+  *os << stats.ToJson();
 }
 
 void PrintTo(const RTCDataChannelStats& stats, ::std::ostream* os) {
-  *os << stats.ToString();
+  *os << stats.ToJson();
 }
 
 void PrintTo(const RTCIceCandidatePairStats& stats, ::std::ostream* os) {
-  *os << stats.ToString();
+  *os << stats.ToJson();
 }
 
 void PrintTo(const RTCLocalIceCandidateStats& stats, ::std::ostream* os) {
-  *os << stats.ToString();
+  *os << stats.ToJson();
 }
 
 void PrintTo(const RTCRemoteIceCandidateStats& stats, ::std::ostream* os) {
-  *os << stats.ToString();
+  *os << stats.ToJson();
 }
 
 void PrintTo(const RTCPeerConnectionStats& stats, ::std::ostream* os) {
-  *os << stats.ToString();
+  *os << stats.ToJson();
 }
 
 void PrintTo(const RTCMediaStreamStats& stats, ::std::ostream* os) {
-  *os << stats.ToString();
+  *os << stats.ToJson();
 }
 
 void PrintTo(const RTCMediaStreamTrackStats& stats, ::std::ostream* os) {
-  *os << stats.ToString();
+  *os << stats.ToJson();
 }
 
 void PrintTo(const RTCInboundRTPStreamStats& stats, ::std::ostream* os) {
-  *os << stats.ToString();
+  *os << stats.ToJson();
 }
 
 void PrintTo(const RTCOutboundRTPStreamStats& stats, ::std::ostream* os) {
-  *os << stats.ToString();
+  *os << stats.ToJson();
 }
 
 void PrintTo(const RTCTransportStats& stats, ::std::ostream* os) {
-  *os << stats.ToString();
+  *os << stats.ToJson();
 }
 
 namespace {
 
 const int64_t kGetStatsReportTimeoutMs = 1000;
 const bool kDefaultRtcpMuxRequired = true;
 const bool kDefaultSrtpRequired = true;
 
 struct CertificateInfo {
   rtc::scoped_refptr<rtc::RTCCertificate> certificate;
@@ skipping 2213 matching lines @@
   rtc::scoped_refptr<FakeRTCStatsCollector> collector_;
 };
 
 TEST_F(RTCStatsCollectorTestWithFakeCollector, ThreadUsageAndResultsMerging) {
   collector_->VerifyThreadUsageAndResultsMerging();
 }
 
 }  // namespace
 
 }  // namespace webrtc