Add a full Blimp integration test.

blimp/client/support/compositor/mock_compositor_dependencies.cc

Index: blimp/client/support/compositor/mock_compositor_dependencies.cc
diff --git a/blimp/client/support/compositor/mock_compositor_dependencies.cc b/blimp/client/support/compositor/mock_compositor_dependencies.cc
deleted file mode 100644
index 04b8bf9c1bfdbf62cd3de4169cae4b13ed980f24..0000000000000000000000000000000000000000
--- a/blimp/client/support/compositor/mock_compositor_dependencies.cc
+++ /dev/null
@@ -1,20 +0,0 @@
-// 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 "blimp/client/support/compositor/mock_compositor_dependencies.h"
-
-#include "cc/test/test_in_process_context_provider.h"
-
-namespace blimp {
-namespace client {
-
-void MockCompositorDependencies::GetContextProviders(
-    const ContextProviderCallback& callback) {
-  callback.Run(
-      make_scoped_refptr(new cc::TestInProcessContextProvider(nullptr)),
-      make_scoped_refptr(new cc::TestInProcessContextProvider(nullptr)));
-}
-
-}  // namespace client
-}  // namespace blimp