Add MemoryCoordinatorImpl

content/browser/memory/memory_coordinator_unittest.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/memory/memory_coordinator.h"
 
 #include "base/memory/memory_pressure_monitor.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "mojo/public/cpp/bindings/binding.h"
@@ skipping 41 matching lines @@
     Child(mojom::ChildMemoryCoordinatorPtr* cmc_ptr) : cmc_binding(&cmc) {
       cmc_binding.Bind(mojo::GetProxy(cmc_ptr));
       RunUntilIdle();
     }
 
     MockChildMemoryCoordinator cmc;
     mojo::Binding<mojom::ChildMemoryCoordinator> cmc_binding;
   };
 
   TestMemoryCoordinator() {}
-  ~TestMemoryCoordinator() {}
+  ~TestMemoryCoordinator() override {}
 
   using MemoryCoordinator::OnConnectionError;
 
   MockChildMemoryCoordinator* CreateChildMemoryCoordinator(
       int process_id) {
     mojom::ChildMemoryCoordinatorPtr cmc_ptr;
     children_.push_back(std::unique_ptr<Child>(new Child(&cmc_ptr)));
     AddChildForTesting(process_id, std::move(cmc_ptr));
     return &children_.back()->cmc;
   }
@@ skipping 57 matching lines @@
   EXPECT_TRUE(mc.SetMemoryState(1, mojom::MemoryState::THROTTLED));
   EXPECT_EQ(1, cmc1->on_state_change_calls());
   EXPECT_EQ(mojom::MemoryState::THROTTLED, cmc1->state());
 
   EXPECT_TRUE(mc.SetMemoryState(2, mojom::MemoryState::SUSPENDED));
   EXPECT_EQ(1, cmc2->on_state_change_calls());
   EXPECT_EQ(mojom::MemoryState::SUSPENDED, cmc2->state());
 }
 
 }  // namespace content