diff --git a/webrtc/api/datachannelinterface.h b/webrtc/api/datachannelinterface.h
index 8b788c0468..ddeb1e5636 100644
--- a/webrtc/api/datachannelinterface.h
+++ b/webrtc/api/datachannelinterface.h
@@ -125,10 +125,13 @@ class DataChannelInterface : public rtc::RefCountInterface {
 
   virtual int id() const = 0;
   virtual DataState state() const = 0;
-  virtual uint32_t messages_sent() const = 0;
-  virtual uint64_t bytes_sent() const = 0;
-  virtual uint32_t messages_received() const = 0;
-  virtual uint64_t bytes_received() const = 0;
+  // TODO(hbos): Default implementations of [messages/bytes]_[sent/received] as
+  // to not break Chromium. Fix Chromium's implementation as soon as this rolls.
+  // crbug.com/654927
+  virtual uint32_t messages_sent() const { return 0; }
+  virtual uint64_t bytes_sent() const { return 0; }
+  virtual uint32_t messages_received() const { return 0; }
+  virtual uint64_t bytes_received() const { return 0; }
   // The buffered_amount returns the number of bytes of application data
   // (UTF-8 text and binary data) that have been queued using SendBuffer but
   // have not yet been transmitted to the network.