cc:: Add remote mode to the compositor

cc/trees/proxy_impl_unittest.cc

 // Copyright 2015 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 "cc/test/fake_channel_impl.h"
 #include "cc/test/fake_layer_tree_host.h"
 #include "cc/test/fake_layer_tree_host_client.h"
 #include "cc/test/proxy_impl_for_test.h"
 #include "cc/test/test_hooks.h"
 #include "cc/test/test_task_graph_runner.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace cc {
 
 class ProxyImplTest : public testing::Test, public TestHooks {
  public:
   ~ProxyImplTest() override {
     DebugScopedSetImplThreadAndMainThreadBlocked impl_and_main_blocked(
         task_runner_provider_);
     proxy_impl_.reset();
   }
 
   void RequestNewOutputSurface() override {}
+  void DidShutdown() override {}
 
  protected:
   ProxyImplTest()
       : host_client_(FakeLayerTreeHostClient::DIRECT_3D),
         task_runner_provider_(nullptr) {}
 
   void Initialize(CompositorMode mode) {
     layer_tree_host_ = FakeLayerTreeHost::Create(
         &host_client_, &task_graph_runner_, settings_, mode);
     task_runner_provider_ = layer_tree_host_->task_runner_provider();
@@ skipping 17 matching lines @@
 
 // This is a regression test. See crbug/568120.
 TEST_F(ProxyImplTest, NonZeroSmoothnessPriorityExpiration) {
   Initialize(CompositorMode::Threaded);
   DebugScopedSetImplThread impl_thread(task_runner_provider_);
   EXPECT_FALSE(
       proxy_impl_->smoothness_priority_expiration_notifier().delay().is_zero());
 }
 
 }  // namespace cc