cc:: Add remote mode to the compositor

cc/trees/remote_channel_unittest.cc

Index: cc/trees/remote_channel_unittest.cc
diff --git a/cc/trees/remote_channel_unittest.cc b/cc/trees/remote_channel_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..87314dac975876d4ecfd9e7508665d4ccd41f32c
--- /dev/null
+++ b/cc/trees/remote_channel_unittest.cc
@@ -0,0 +1,72 @@
+// 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/layer_tree_test.h"
+
+namespace cc {
+
+class RemoteChannelTest : public LayerTreeTest {
+ protected:
+  RemoteChannelTest() : calls_received_(0) {}
+
+  ~RemoteChannelTest() override {}
+
+  void BeginTest() override {
+    DCHECK(IsRemoteTest());
+    BeginChannelTest();
+  }
+  virtual void BeginChannelTest() {}
+
+  int calls_received_;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(RemoteChannelTest);
+};
+
+class RemoteChannelTestShutdownByMainCompositor : public RemoteChannelTest {
+  void OverrideLayerTreeSettings(LayerTreeSettings* settings) override {
+    calls_received_++;
+    EndTest();
+  }
+
+  void ReceivedDidShutdown() override { calls_received_++; }
+
+  void AfterTest() override { EXPECT_EQ(2, calls_received_); }
+};
+
+REMOTE_DIRECT_RENDERER_TEST_F(RemoteChannelTestShutdownByMainCompositor);
+
+class RemoteChannelTestShutdownbyRemoteChannelHostClient
+    : public RemoteChannelTest {
+  void BeginChannelTest() override {
+    DestroyRemoteChannelHost();
+    EndTest();
+  }
+
+  void OverrideLayerTreeSettings(LayerTreeSettings* settings) override {
+    calls_received_++;
+  }
+
+  void ReceivedDidShutdown() override { NOTREACHED(); }
+
+  void AfterTest() override { EXPECT_EQ(1, calls_received_); }
+};
+
+REMOTE_DIRECT_RENDERER_TEST_F(
+    RemoteChannelTestShutdownbyRemoteChannelHostClient);
+
+class RemoteChannelTestMainThreadStoppedFlinging : public RemoteChannelTest {
+  void BeginChannelTest() override { proxy()->MainThreadHasStoppedFlinging(); }
+
+  void MainThreadHasStoppedFlingingOnImpl() override {
+    calls_received_++;
+    EndTest();
+  }
+
+  void AfterTest() override { EXPECT_EQ(1, calls_received_); }
+};
+
+REMOTE_DIRECT_RENDERER_TEST_F(RemoteChannelTestMainThreadStoppedFlinging);
+
+}  // namespace cc