cc: Remove DelegatingRenderer.

cc/output/delegating_renderer.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/delegating_renderer.h"
-
-#include <set>
-#include <string>
-#include <utility>
-#include <vector>
-
-#include "base/memory/ptr_util.h"
-#include "base/trace_event/trace_event.h"
-#include "cc/output/context_provider.h"
-#include "cc/quads/draw_quad.h"
-#include "cc/quads/render_pass.h"
-#include "cc/resources/resource_provider.h"
-#include "gpu/command_buffer/client/context_support.h"
-
-
-namespace cc {
-
-DelegatingRenderer::DelegatingRenderer(OutputSurface* output_surface,
-                                       ResourceProvider* resource_provider)
-    : output_surface_(output_surface), resource_provider_(resource_provider) {
-  DCHECK(resource_provider_);
-}
-
-DelegatingRenderer::~DelegatingRenderer() = default;
-
-void DelegatingRenderer::DrawFrame(CompositorFrameMetadata metadata,
-                                   RenderPassList render_passes_in_draw_order) {
-  TRACE_EVENT0("cc", "DelegatingRenderer::DrawFrame");
-
-  // Collect all resource ids in the render passes into a single array.
-  ResourceProvider::ResourceIdArray resources;
-  for (const auto& render_pass : render_passes_in_draw_order) {
-    for (auto* quad : render_pass->quad_list) {
-      for (ResourceId resource_id : quad->resources)
-        resources.push_back(resource_id);
-    }
-  }
-
-  auto data = base::MakeUnique<DelegatedFrameData>();
-  resource_provider_->PrepareSendToParent(resources, &data->resource_list);
-  data->render_pass_list = std::move(render_passes_in_draw_order);
-
-  CompositorFrame compositor_frame;
-  compositor_frame.metadata = std::move(metadata);
-  compositor_frame.delegated_frame_data = std::move(data);
-  output_surface_->SwapBuffers(std::move(compositor_frame));
-}
-
-}  // namespace cc