cc: Delete the Renderer base class.

cc/output/renderer_capabilities_impl.h

Index: cc/output/renderer_capabilities_impl.h
diff --git a/cc/output/renderer_capabilities_impl.h b/cc/output/renderer_capabilities_impl.h
new file mode 100644
index 0000000000000000000000000000000000000000..f1ce345a22706283c0bac05232749c5f0b4a8fde
--- /dev/null
+++ b/cc/output/renderer_capabilities_impl.h
@@ -0,0 +1,38 @@
+// 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;
+  bool allow_partial_texture_updates = false;
+  int max_texture_size = 0;
+  bool using_shared_memory_resources = false;
+
+  // Capabilities used on compositor thread only.
+  bool using_partial_swap = false;
+  // Whether it's valid to SwapBuffers with an empty rect. Trivially true when
+  // |using_partial_swap|.
+  bool allow_empty_swap = false;
+  bool using_egl_image = false;
+  bool using_image = false;
+  bool using_discard_framebuffer = false;
+  bool allow_rasterize_on_demand = false;
+  int max_msaa_samples = 0;
+
+  RendererCapabilities MainThreadCapabilities() const;
+};
+
+}  // namespace cc
+
+#endif  // CC_OUTPUT_RENDERER_CAPABILITIES_IMPL_H_