Mojo cpp bindings: add support for validating incoming messages.

mojo/public/cpp/bindings/tests/router_unittest.cc

Index: mojo/public/cpp/bindings/tests/router_unittest.cc
diff --git a/mojo/public/cpp/bindings/tests/router_unittest.cc b/mojo/public/cpp/bindings/tests/router_unittest.cc
index 4b2d0dc978c5cfeb023fcfe2e4106e8f7ee7f741..980553c402c1e46d2197a22820613f18f243c00e 100644
--- a/mojo/public/cpp/bindings/tests/router_unittest.cc
+++ b/mojo/public/cpp/bindings/tests/router_unittest.cc
@@ -134,8 +134,8 @@ class RouterTest : public testing::Test {
 };
 
 TEST_F(RouterTest, BasicRequestResponse) {
-  internal::Router router0(handle0_.Pass());
-  internal::Router router1(handle1_.Pass());
+  internal::Router router0(handle0_.Pass(), internal::FilterChain());
+  internal::Router router1(handle1_.Pass(), internal::FilterChain());
 
   ResponseGenerator generator;
   router1.set_incoming_receiver(&generator);
@@ -158,8 +158,8 @@ TEST_F(RouterTest, BasicRequestResponse) {
 }
 
 TEST_F(RouterTest, RequestWithNoReceiver) {
-  internal::Router router0(handle0_.Pass());
-  internal::Router router1(handle1_.Pass());
+  internal::Router router0(handle0_.Pass(), internal::FilterChain());
+  internal::Router router1(handle1_.Pass(), internal::FilterChain());
 
   // Without an incoming receiver set on router1, we expect router0 to observe
   // an error as a result of sending a message.
@@ -184,8 +184,8 @@ TEST_F(RouterTest, LateResponse) {
 
   LazyResponseGenerator generator;
   {
-    internal::Router router0(handle0_.Pass());
-    internal::Router router1(handle1_.Pass());
+    internal::Router router0(handle0_.Pass(), internal::FilterChain());
+    internal::Router router1(handle1_.Pass(), internal::FilterChain());
 
     router1.set_incoming_receiver(&generator);