Replace ASSERT by RTC_DCHECK in all non-test code.

webrtc/media/engine/fakewebrtcvoiceengine.h

Index: webrtc/media/engine/fakewebrtcvoiceengine.h
diff --git a/webrtc/media/engine/fakewebrtcvoiceengine.h b/webrtc/media/engine/fakewebrtcvoiceengine.h
index 8a40ff90d0aec57c4344c1e8dcfacb3bc4b130c0..5f61cf1143fca7672ba049f221d6aa2a26cb72ea 100644
--- a/webrtc/media/engine/fakewebrtcvoiceengine.h
+++ b/webrtc/media/engine/fakewebrtcvoiceengine.h
@@ -19,6 +19,7 @@
 
 #include "webrtc/base/checks.h"
 #include "webrtc/base/stringutils.h"
+#include "webrtc/base/checks.h"
 #include "webrtc/config.h"
 #include "webrtc/media/base/codec.h"
 #include "webrtc/media/base/rtputils.h"
@@ -326,12 +327,12 @@ class FakeWebRtcVoiceEngine
   }
   size_t GetNetEqCapacity() const {
     auto ch = channels_.find(last_channel_);
-    ASSERT(ch != channels_.end());
+    RTC_DCHECK(ch != channels_.end());
     return ch->second->neteq_capacity;
   }
   bool GetNetEqFastAccelerate() const {
     auto ch = channels_.find(last_channel_);
-    ASSERT(ch != channels_.end());
+    RTC_DCHECK(ch != channels_.end());
     return ch->second->neteq_fast_accelerate;
   }