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

chrome/browser/media/webrtc_browsertest_base.cc

 // Copyright 2013 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 "chrome/browser/media/webrtc_browsertest_base.h"
 
 #include <stddef.h>
 
 #include "base/lazy_instance.h"
 #include "base/macros.h"
@@ skipping 442 matching lines @@
 
 bool WebRtcTestBase::OnWin8() const {
 #if defined(OS_WIN)
   return base::win::GetVersion() > base::win::VERSION_WIN7;
 #else
   return false;
 #endif
 }
 
 void WebRtcTestBase::OpenDatabase(content::WebContents* tab) const {
-  std::string response = ExecuteJavascript("openDatabase()", tab);
-  EXPECT_EQ("ok-database-opened", response) << "Failed to open database: "
-      << response;
+  EXPECT_EQ("ok-database-opened", ExecuteJavascript("openDatabase()", tab));
 }
 
 void WebRtcTestBase::CloseDatabase(content::WebContents* tab) const {
-  std::string response = ExecuteJavascript("closeDatabase()", tab);
-  EXPECT_EQ("ok-database-closed", response) << "Failed to close database: "
-      << response;
+  EXPECT_EQ("ok-database-closed", ExecuteJavascript("closeDatabase()", tab));
 }
 
 void WebRtcTestBase::DeleteDatabase(content::WebContents* tab) const {
-  std::string response = ExecuteJavascript("deleteDatabase()", tab);
-  EXPECT_EQ("ok-database-deleted", response) << "Failed to delete database: "
-      << response;
+  EXPECT_EQ("ok-database-deleted", ExecuteJavascript("deleteDatabase()", tab));
 }
 
 void WebRtcTestBase::GenerateAndCloneCertificate(
     content::WebContents* tab, const std::string& keygen_algorithm) const {
   std::string javascript = base::StringPrintf(
       "generateAndCloneCertificate(%s)", keygen_algorithm.c_str());
-  std::string response = ExecuteJavascript(javascript, tab);
-  EXPECT_EQ("ok-generated-and-cloned", response) << "Failed to generate and "
-      "clone certificate: " << response;
+  EXPECT_EQ("ok-generated-and-cloned", ExecuteJavascript(javascript, tab));
 }
+
+void WebRtcTestBase::VerifyStatsGenerated(content::WebContents* tab) const {
+  EXPECT_EQ("ok-got-stats", ExecuteJavascript("verifyStatsGenerated()", tab));
+}