RTCPeerConnection.getStats: Whitelist of stats in unittest.

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 107b49f612b8ff72ad093d6ca6a5dc834688434b..f388b3b20a12718b9fc98582d5f307965725e88c 100644
--- a/chrome/browser/media/webrtc/webrtc_browsertest_base.cc
+++ b/chrome/browser/media/webrtc/webrtc_browsertest_base.cc
@@ -120,6 +120,18 @@ class PermissionRequestObserver : public PermissionRequestManager::Observer {
   DISALLOW_COPY_AND_ASSIGN(PermissionRequestObserver);
 };
 
+std::vector<std::string> SemicolonListToVector(
+    const std::string str, size_t start_index = 0) {
+  std::vector<std::string> vector;
+  for (size_t begin = start_index, end = begin; begin <= str.length(); ++end) {
+    if (end >= str.length() || str[end] == ';') {
+      vector.push_back(str.substr(begin, end - begin));
+      begin = end + 1;
+    }
+  }
+  return vector;
+}
+
 }  // namespace
 
 WebRtcTestBase::WebRtcTestBase(): detect_errors_in_javascript_(false) {
@@ -460,10 +472,17 @@ void WebRtcTestBase::VerifyStatsGeneratedCallback(
   EXPECT_EQ("ok-got-stats", ExecuteJavascript("verifyStatsGenerated()", tab));
 }
 
-void WebRtcTestBase::VerifyStatsGeneratedPromise(
+std::vector<std::string> WebRtcTestBase::VerifyStatsGeneratedPromise(
+    content::WebContents* tab) const {
+  std::string result = ExecuteJavascript("verifyStatsGeneratedPromise()", tab);
+  EXPECT_TRUE(base::StartsWith(result, "ok-", base::CompareCase::SENSITIVE));
+  return SemicolonListToVector(result, 3);
+}
+
+std::vector<std::string> WebRtcTestBase::GetWhitelistedStatsTypes(
     content::WebContents* tab) const {
-  EXPECT_EQ("ok-got-stats",
-            ExecuteJavascript("verifyStatsGeneratedPromise()", tab));
+  return SemicolonListToVector(
+      ExecuteJavascript("getWhitelistedStatsTypes()", tab));
 }
 
 void WebRtcTestBase::SetDefaultVideoCodec(