Revert of WebRtcBrowserTest: Include all stats in getStats.

chrome/browser/media/webrtc/webrtc_browsertest_base.cc

Index: chrome/browser/media/webrtc/webrtc_browsertest_base.cc
diff --git a/chrome/browser/media/webrtc/webrtc_browsertest_base.cc b/chrome/browser/media/webrtc/webrtc_browsertest_base.cc
index ec41b87a5229ac0072d721e8985317ff4111099b..9419be89db13eaeadc29fc132ff99ec2ad4400f2 100644
--- a/chrome/browser/media/webrtc/webrtc_browsertest_base.cc
+++ b/chrome/browser/media/webrtc/webrtc_browsertest_base.cc
@@ -404,12 +404,6 @@
       to_tab));
 }
 
-void WebRtcTestBase::CreateDataChannel(content::WebContents* tab,
-                                       const std::string& label) {
-  EXPECT_EQ("ok-created",
-            ExecuteJavascript("createDataChannel('" + label + "')", tab));
-}
-
 void WebRtcTestBase::NegotiateCall(content::WebContents* from_tab,
                                    content::WebContents* to_tab) const {
   std::string local_offer = CreateLocalOffer(from_tab);