cc: Remove things from OutputSurface and CompositorFrameSink.

cc/output/compositor_frame_sink_unittest.cc

+// Copyright 2013 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/output/compositor_frame_sink.h"
+
+#include "base/memory/ptr_util.h"
+#include "cc/output/compositor_frame.h"
+#include "cc/test/fake_compositor_frame_sink_client.h"
+#include "cc/test/test_context_provider.h"
+#include "cc/test/test_web_graphics_context_3d.h"
+#include "gpu/GLES2/gl2extchromium.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace cc {
+namespace {
+
+class TestCompositorFrameSink : public CompositorFrameSink {
+ public:
+  explicit TestCompositorFrameSink(
+      scoped_refptr<TestContextProvider> context_provider,
+      scoped_refptr<TestContextProvider> worker_context_provider)
+      : CompositorFrameSink(std::move(context_provider),
+                            std::move(worker_context_provider)) {}
+
+  void SwapBuffers(CompositorFrame frame) override {
+    client_->DidSwapBuffersComplete();
+  }
+
+  void OnSwapBuffersCompleteForTesting() { client_->DidSwapBuffersComplete(); }
+
+ protected:
+};
+
+TEST(CompositorFrameSinkTest, ContextLossInformsClient) {
+  scoped_refptr<TestContextProvider> provider = TestContextProvider::Create();
+  scoped_refptr<TestContextProvider> worker_provider =
+      TestContextProvider::CreateWorker();
+  TestCompositorFrameSink compositor_frame_sink(provider, worker_provider);
+  EXPECT_FALSE(compositor_frame_sink.HasClient());
+
+  FakeCompositorFrameSinkClient client;
+  EXPECT_TRUE(compositor_frame_sink.BindToClient(&client));
+  EXPECT_TRUE(compositor_frame_sink.HasClient());
+
+  // Verify DidLoseCompositorFrameSink callback is hooked up correctly.
+  EXPECT_FALSE(client.did_lose_compositor_frame_sink_called());
+  compositor_frame_sink.context_provider()->ContextGL()->LoseContextCHROMIUM(
+      GL_GUILTY_CONTEXT_RESET_ARB, GL_INNOCENT_CONTEXT_RESET_ARB);
+  compositor_frame_sink.context_provider()->ContextGL()->Flush();
+  EXPECT_TRUE(client.did_lose_compositor_frame_sink_called());
+}
+
+// TODO(danakj): Add a test for worker context failure as well when
+// CompositorFrameSink creates/binds it.
+TEST(CompositorFrameSinkTest, ContextLossFailsBind) {
+  scoped_refptr<TestContextProvider> context_provider =
+      TestContextProvider::Create();
+  scoped_refptr<TestContextProvider> worker_provider =
+      TestContextProvider::CreateWorker();
+
+  // Lose the context so BindToClient fails.
+  context_provider->UnboundTestContext3d()->set_context_lost(true);
+
+  TestCompositorFrameSink compositor_frame_sink(context_provider,
+                                                worker_provider);
+  EXPECT_FALSE(compositor_frame_sink.HasClient());
+
+  FakeCompositorFrameSinkClient client;
+  EXPECT_FALSE(compositor_frame_sink.BindToClient(&client));
+  EXPECT_FALSE(compositor_frame_sink.HasClient());
+}
+
+}  // namespace
+}  // namespace cc