Revert "Update webrtc&libjingle 6774:6799."

content/renderer/media/rtc_data_channel_handler.cc

Index: content/renderer/media/rtc_data_channel_handler.cc
diff --git a/content/renderer/media/rtc_data_channel_handler.cc b/content/renderer/media/rtc_data_channel_handler.cc
index 004cc46deb68c1a671c59eecdf2b8813aa01bd0d..1fe4de11756a956473c13aff43f2cb24db18da95 100644
--- a/content/renderer/media/rtc_data_channel_handler.cc
+++ b/content/renderer/media/rtc_data_channel_handler.cc
@@ -103,14 +103,14 @@ unsigned long RtcDataChannelHandler::bufferedAmount() {
 
 bool RtcDataChannelHandler::sendStringData(const blink::WebString& data) {
   std::string utf8_buffer = base::UTF16ToUTF8(data);
-  rtc::Buffer buffer(utf8_buffer.c_str(), utf8_buffer.length());
+  talk_base::Buffer buffer(utf8_buffer.c_str(), utf8_buffer.length());
   webrtc::DataBuffer data_buffer(buffer, false);
   RecordMessageSent(data_buffer.size());
   return channel_->Send(data_buffer);
 }
 
 bool RtcDataChannelHandler::sendRawData(const char* data, size_t length) {
-  rtc::Buffer buffer(data, length);
+  talk_base::Buffer buffer(data, length);
   webrtc::DataBuffer data_buffer(buffer, true);
   RecordMessageSent(data_buffer.size());
   return channel_->Send(data_buffer);