Fix some chromium-style warnings in webrtc/modules/rtp_rtcp/

BUG=163
R=pwestin@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/1904005

git-svn-id: http://webrtc.googlecode.com/svn/trunk@4444 4adac7df-926f-26a2-2b94-8c16560cd09d

webrtc/modules/rtp_rtcp/source/rtp_receiver_strategy.cc

@@ -29,4 +29,13 @@ void RTPReceiverStrategy::SetLastMediaSpecificPayload(
   memcpy(&last_payload_, &payload, sizeof(last_payload_));
 }
 
+void RTPReceiverStrategy::CheckPayloadChanged(
+    const int8_t payload_type,
+    ModuleRTPUtility::PayloadUnion* specific_payload,
+    bool* should_reset_statistics,
+    bool* should_discard_changes) {
+  // Default: Keep changes and don't reset statistics.
+  *should_discard_changes = false;
+  *should_reset_statistics = false;
+}
 }  // namespace webrtc