Implement base::MemoryCoordinator for ChildMemoryCoordinatorImpl

content/child/memory/child_memory_coordinator_impl_unittest.cc

Index: content/child/memory/child_memory_coordinator_impl_unittest.cc
diff --git a/content/child/memory/child_memory_coordinator_impl_unittest.cc b/content/child/memory/child_memory_coordinator_impl_unittest.cc
index fe20c0cfa3c579c4bbf61de9a0c924addd2c9551..4a589652b9c00832993ac882e06f79ae3bd82797 100644
--- a/content/child/memory/child_memory_coordinator_impl_unittest.cc
+++ b/content/child/memory/child_memory_coordinator_impl_unittest.cc
@@ -138,18 +138,25 @@ class MemoryCoordinatorTestThread : public base::Thread,
 };
 
 TEST_F(ChildMemoryCoordinatorImplTest, SingleClient) {
+  auto* memory_coordinator_proxy = base::MemoryCoordinatorProxy::GetInstance();
   MockMemoryCoordinatorClient client;
   RegisterClient(&client);
 
   ChangeState(mojom::MemoryState::THROTTLED);
   EXPECT_EQ(base::MemoryState::THROTTLED, client.last_state());
+  EXPECT_EQ(base::MemoryState::THROTTLED,
+            memory_coordinator_proxy->GetCurrentMemoryState());
 
   ChangeState(mojom::MemoryState::NORMAL);
   EXPECT_EQ(base::MemoryState::NORMAL, client.last_state());
+  EXPECT_EQ(base::MemoryState::NORMAL,
+            memory_coordinator_proxy->GetCurrentMemoryState());
 
   UnregisterClient(&client);
   ChangeState(mojom::MemoryState::THROTTLED);
   EXPECT_TRUE(base::MemoryState::THROTTLED != client.last_state());
+  EXPECT_EQ(base::MemoryState::THROTTLED,
+            memory_coordinator_proxy->GetCurrentMemoryState());
 }
 
 TEST_F(ChildMemoryCoordinatorImplTest, MultipleClients) {