WebRTCStats added, retaining type info when surfacing WebRTC stats into Blink

chrome/browser/media/webrtc_browsertest.cc

Index: chrome/browser/media/webrtc_browsertest.cc
diff --git a/chrome/browser/media/webrtc_browsertest.cc b/chrome/browser/media/webrtc_browsertest.cc
index 81e9033b46c206af256e943014eaa8a5c7391baa..2f5d35f1bfa6ac4b15d9619ee5b3c25248ec9473 100644
--- a/chrome/browser/media/webrtc_browsertest.cc
+++ b/chrome/browser/media/webrtc_browsertest.cc
@@ -89,7 +89,7 @@ class WebRtcBrowserTest : public WebRtcTestBase {
     DetectVideoAndHangUp();
   }
 
-private:
+protected:
   void StartServerAndOpenTabs() {
     ASSERT_TRUE(embedded_test_server()->Start());
     left_tab_ = OpenTestPageAndGetUserMediaInNewTab(kMainWebrtcTestHtmlPage);
@@ -192,3 +192,15 @@ IN_PROC_BROWSER_TEST_F(WebRtcBrowserTest,
                                     kKeygenAlgorithmEcdsa,
                                     kKeygenAlgorithmRsa);
 }
+
+IN_PROC_BROWSER_TEST_F(WebRtcBrowserTest,
+                       RunsAudioVideoWebRTCCallInTwoTabsGetStats) {
+  StartServerAndOpenTabs();
+  SetupPeerconnectionWithLocalStream(left_tab_);
+  SetupPeerconnectionWithLocalStream(right_tab_);
+  NegotiateCall(left_tab_, right_tab_);
+
+  VerifyStatsGenerated(left_tab_);
+
+  DetectVideoAndHangUp();
+}