cc: Delete the Renderer base class.

cc/output/renderer_capabilities_impl.cc

+// Copyright 2012 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/renderer_capabilities_impl.h"
+
+namespace cc {
+
+RendererCapabilitiesImpl::RendererCapabilitiesImpl() = default;
+RendererCapabilitiesImpl::~RendererCapabilitiesImpl() = default;
+
+RendererCapabilities RendererCapabilitiesImpl::MainThreadCapabilities() const {
+  return RendererCapabilities(best_texture_format,
+                              allow_partial_texture_updates, max_texture_size,
+                              using_shared_memory_resources);
+}
+
+}  // namespace cc