Replace ASSERT by RTC_DCHECK in all non-test code.

webrtc/p2p/base/candidate.h

Index: webrtc/p2p/base/candidate.h
diff --git a/webrtc/p2p/base/candidate.h b/webrtc/p2p/base/candidate.h
index 22d87b581153afb11debc903746d43e1a48e0c5f..992f49261728759522b59ad76aae4e8084ffeb96 100644
--- a/webrtc/p2p/base/candidate.h
+++ b/webrtc/p2p/base/candidate.h
@@ -21,6 +21,7 @@
 #include <string>
 
 #include "webrtc/p2p/base/p2pconstants.h"
+#include "webrtc/base/checks.h"
 #include "webrtc/base/helpers.h"
 #include "webrtc/base/network.h"
 #include "webrtc/base/socketaddress.h"
@@ -148,7 +149,7 @@ class Candidate {
   // cost of 0 indicates this candidate can be used freely. A value of
   // rtc::kNetworkCostMax indicates it should be used only as the last resort.
   void set_network_cost(uint16_t network_cost) {
-    ASSERT(network_cost <= rtc::kNetworkCostMax);
+    RTC_DCHECK(network_cost <= rtc::kNetworkCostMax);
     network_cost_ = network_cost;
   }
   uint16_t network_cost() const { return network_cost_; }