Revert of cc: Delete all the RendererCapabilities.

cc/output/renderer_capabilities_impl.h

+// 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.
+
+#ifndef CC_OUTPUT_RENDERER_CAPABILITIES_IMPL_H_
+#define CC_OUTPUT_RENDERER_CAPABILITIES_IMPL_H_
+
+#include "cc/output/renderer_capabilities.h"
+
+namespace cc {
+
+struct RendererCapabilitiesImpl {
+  RendererCapabilitiesImpl();
+  ~RendererCapabilitiesImpl();
+
+  // Capabilities copied to main thread.
+  ResourceFormat best_texture_format = RGBA_8888;
+  int max_texture_size = 0;
+
+  RendererCapabilities MainThreadCapabilities() const {
+    return RendererCapabilities(best_texture_format, max_texture_size);
+  }
+};
+
+}  // namespace cc
+
+#endif  // CC_OUTPUT_RENDERER_CAPABILITIES_IMPL_H_