Mojo: Convert assert()s under mojo/public/cpp/bindings/... to MOJO_DCHECK()s.

mojo/public/cpp/bindings/lib/filter_chain.cc

Index: mojo/public/cpp/bindings/lib/filter_chain.cc
diff --git a/mojo/public/cpp/bindings/lib/filter_chain.cc b/mojo/public/cpp/bindings/lib/filter_chain.cc
index efd4ba19875317042b9c1a37186e6a621e759c96..d14169294f58ad575a53943db38bf0232d648cbb 100644
--- a/mojo/public/cpp/bindings/lib/filter_chain.cc
+++ b/mojo/public/cpp/bindings/lib/filter_chain.cc
@@ -4,10 +4,10 @@
 
 #include "mojo/public/cpp/bindings/lib/filter_chain.h"
 
-#include <assert.h>
-
 #include <algorithm>
 
+#include "mojo/public/cpp/environment/logging.h"
+
 namespace mojo {
 namespace internal {
 
@@ -34,14 +34,14 @@ FilterChain::~FilterChain() {
 }
 
 void FilterChain::SetSink(MessageReceiver* sink) {
-  assert(!sink_);
+  MOJO_DCHECK(!sink_);
   sink_ = sink;
   if (!filters_.empty())
     filters_.back()->set_sink(sink);
 }
 
 MessageReceiver* FilterChain::GetHead() {
-  assert(sink_);
+  MOJO_DCHECK(sink_);
   return filters_.empty() ? sink_ : filters_.front();
 }