Use mojo typemaps to simplify arc::IntentFilter::IntentFilter() (reland)

components/arc/intent_helper/arc_intent_helper_bridge_unittest.cc

Index: components/arc/intent_helper/arc_intent_helper_bridge_unittest.cc
diff --git a/components/arc/intent_helper/arc_intent_helper_bridge_unittest.cc b/components/arc/intent_helper/arc_intent_helper_bridge_unittest.cc
index bc8f0a55f499a7f635bc6d388d25fbd4efe43922..a0d0396c0361c20634e0afeed503a68f0bc0c8c8 100644
--- a/components/arc/intent_helper/arc_intent_helper_bridge_unittest.cc
+++ b/components/arc/intent_helper/arc_intent_helper_bridge_unittest.cc
@@ -154,13 +154,13 @@ TEST_F(ArcIntentHelperTest, TestObserver) {
   auto observer = base::MakeUnique<FakeObserver>();
   instance_->AddObserver(observer.get());
   EXPECT_FALSE(observer->IsUpdated());
-  instance_->OnIntentFiltersUpdated(std::vector<mojom::IntentFilterPtr>());
+  instance_->OnIntentFiltersUpdated(std::vector<IntentFilter>());
   EXPECT_TRUE(observer->IsUpdated());
 
   // Observer should not be called after it's removed.
   observer->Reset();
   instance_->RemoveObserver(observer.get());
-  instance_->OnIntentFiltersUpdated(std::vector<mojom::IntentFilterPtr>());
+  instance_->OnIntentFiltersUpdated(std::vector<IntentFilter>());
   EXPECT_FALSE(observer->IsUpdated());
 }