From 464741276ffae32623560da8b132a12ab31bc095 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Per=20=C3=85hgren?= <peah@webrtc.org>
Date: Wed, 27 Nov 2019 09:10:21 +0100
Subject: [PATCH] Make new method pure virtual in the EchoControl interface
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Bug: webrtc:8671
Change-Id: I673e79fae1e763131b71fceb64d7a909e662f568
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/160785
Reviewed-by: Gustaf Ullberg <gustaf@webrtc.org>
Commit-Queue: Per Åhgren <peah@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#29975}
---
 api/audio/echo_control.h | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/api/audio/echo_control.h b/api/audio/echo_control.h
index b63f123df7..2f27cb4ed8 100644
--- a/api/audio/echo_control.h
+++ b/api/audio/echo_control.h
@@ -32,10 +32,9 @@ class EchoControl {
   virtual void ProcessCapture(AudioBuffer* capture, bool echo_path_change) = 0;
 
   // As above, but also returns the linear filter output.
-  // TODO(peah): Make pure virtual.
   virtual void ProcessCapture(AudioBuffer* capture,
                               AudioBuffer* linear_output,
-                              bool level_change) {}
+                              bool level_change) = 0;
 
   struct Metrics {
     double echo_return_loss;