Add a full Blimp integration test.

blimp/client/test/compositor/test_blimp_embedder_compositor.h

+// 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.
+
+#ifndef BLIMP_CLIENT_TEST_COMPOSITOR_TEST_BLIMP_EMBEDDER_COMPOSITOR_H_
+#define BLIMP_CLIENT_TEST_COMPOSITOR_TEST_BLIMP_EMBEDDER_COMPOSITOR_H_
+
+#include "base/callback.h"
+#include "base/macros.h"
+#include "base/memory/weak_ptr.h"
+#include "blimp/client/support/compositor/blimp_embedder_compositor.h"
+
+class SkBitmap;
+
+namespace cc {
+class CopyOutputResult;
+}  // namespace cc
+
+namespace blimp {
+namespace client {
+class CompositorDependencies;
+
+// An implementation of the BlimpEmbedderCompositor that supplies a
+// ContextProvider that is not backed by a platform specific widget.  It is not
+// meant to be used to actually display content.
+class TestBlimpEmbedderCompositor : public BlimpEmbedderCompositor {
+ public:
+  explicit TestBlimpEmbedderCompositor(
+      CompositorDependencies* compositor_dependencies);
+  ~TestBlimpEmbedderCompositor() override;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(TestBlimpEmbedderCompositor);
+};
+
+}  // namespace client
+}  // namespace blimp
+
+#endif  // BLIMP_CLIENT_TEST_COMPOSITOR_TEST_BLIMP_EMBEDDER_COMPOSITOR_H_