WebString: makes string16 conversions explicit (part 1: blink, content)

content/renderer/media/mock_web_rtc_peer_connection_handler_client.cc

Index: content/renderer/media/mock_web_rtc_peer_connection_handler_client.cc
diff --git a/content/renderer/media/mock_web_rtc_peer_connection_handler_client.cc b/content/renderer/media/mock_web_rtc_peer_connection_handler_client.cc
index 825a212f42bf24953f8db4628f24da3ef1716eec..0180f58a9435d0abcbb372907dbf0f7da40d28c7 100644
--- a/content/renderer/media/mock_web_rtc_peer_connection_handler_client.cc
+++ b/content/renderer/media/mock_web_rtc_peer_connection_handler_client.cc
@@ -32,10 +32,9 @@ MockWebRTCPeerConnectionHandlerClient::
 void MockWebRTCPeerConnectionHandlerClient::didGenerateICECandidateWorker(
     const blink::WebRTCICECandidate& candidate) {
   if (!candidate.isNull()) {
-    candidate_sdp_ =
-        base::UTF16ToUTF8(base::StringPiece16(candidate.candidate()));
+    candidate_sdp_ = candidate.candidate().utf8();
     candidate_mline_index_ = candidate.sdpMLineIndex();
-    candidate_mid_ = base::UTF16ToUTF8(base::StringPiece16(candidate.sdpMid()));
+    candidate_mid_ = candidate.sdpMid().utf8();
   } else {
     candidate_sdp_ = "";
     candidate_mline_index_ = -1;