Switch to new base64.h in webrtc instead of old one

Bug: webrtc:8366
Change-Id: Ieaa4bf30132708570ac76c0957248c1dbb22a611
Reviewed-on: https://chromium-review.googlesource.com/1146922Reviewed-by: Harald Alvestrand <hta@chromium.org>
Commit-Queue: Artem Titov <titovartem@chromium.org>
Cr-Commit-Position: refs/heads/master@{#577472}

third_party/libjingle_xmpp/xmpp/saslmechanism.cc

@@ -11,7 +11,7 @@
 #include "third_party/libjingle_xmpp/xmllite/xmlelement.h"
 #include "third_party/libjingle_xmpp/xmpp/constants.h"
 #include "third_party/libjingle_xmpp/xmpp/saslmechanism.h"
-#include "third_party/webrtc/rtc_base/base64.h"
+#include "third_party/webrtc/rtc_base/third_party/base64/base64.h"
 
 using rtc::Base64;
 

third_party/libjingle_xmpp/xmpp/xmpplogintask.cc

@@ -18,7 +18,7 @@
 #include "third_party/libjingle_xmpp/xmpp/jid.h"
 #include "third_party/libjingle_xmpp/xmpp/saslmechanism.h"
 #include "third_party/libjingle_xmpp/xmpp/xmppengineimpl.h"
-#include "third_party/webrtc/rtc_base/base64.h"
+#include "third_party/webrtc/rtc_base/third_party/base64/base64.h"
 
 using rtc::ConstantLabel;