webrtc/modules/audio_processing: Use RTC_DCHECK() instead of assert()

Review-Url: https://codereview.webrtc.org/2320053003
Cr-Commit-Position: refs/heads/master@{#14211}
diff --git a/webrtc/modules/audio_processing/rms_level.cc b/webrtc/modules/audio_processing/rms_level.cc
index 70c4422..957a7b5 100644
--- a/webrtc/modules/audio_processing/rms_level.cc
+++ b/webrtc/modules/audio_processing/rms_level.cc
@@ -10,9 +10,10 @@
 
 #include "webrtc/modules/audio_processing/rms_level.h"
 
-#include <assert.h>
 #include <math.h>
 
+#include "webrtc/base/checks.h"
+
 namespace webrtc {
 
 static const float kMaxSquaredLevel = 32768 * 32768;
@@ -49,7 +50,7 @@
   float rms = sum_square_ / (sample_count_ * kMaxSquaredLevel);
   // 20log_10(x^0.5) = 10log_10(x)
   rms = 10 * log10(rms);
-  assert(rms <= 0);
+  RTC_DCHECK_LE(rms, 0);
   if (rms < -kMinLevel)
     rms = -kMinLevel;