cc: Delete the Renderer base class.

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 <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"
 #include "gpu/command_buffer/client/gles2_interface.h"
 
 
 namespace cc {
 
-std::unique_ptr<DelegatingRenderer> DelegatingRenderer::Create(
-    RendererClient* client,
-    const RendererSettings* settings,
-    OutputSurface* output_surface,
-    ResourceProvider* resource_provider) {
-  return base::WrapUnique(new DelegatingRenderer(
-      client, settings, output_surface, resource_provider));
-}
-
-DelegatingRenderer::DelegatingRenderer(RendererClient* client,
-                                       const RendererSettings* settings,
-                                       OutputSurface* output_surface,
+DelegatingRenderer::DelegatingRenderer(OutputSurface* output_surface,
                                        ResourceProvider* resource_provider)
-    : Renderer(client, settings),
-      output_surface_(output_surface),
-      resource_provider_(resource_provider) {
+    : output_surface_(output_surface), resource_provider_(resource_provider) {
   DCHECK(resource_provider_);
 
   capabilities_.using_partial_swap = false;
   capabilities_.max_texture_size = resource_provider_->max_texture_size();
   capabilities_.best_texture_format = resource_provider_->best_texture_format();
   capabilities_.allow_partial_texture_updates =
       output_surface->capabilities().can_force_reclaim_resources;
 
   if (!output_surface_->context_provider()) {
     capabilities_.using_shared_memory_resources = true;
@@ skipping 10 matching lines @@
 
     // If MSAA is slow, we want this renderer to behave as though MSAA is not
     // available. Set samples to 0 to achieve this.
     if (caps.msaa_is_slow)
       capabilities_.max_msaa_samples = 0;
     else
       capabilities_.max_msaa_samples = caps.max_samples;
   }
 }
 
-DelegatingRenderer::~DelegatingRenderer() {}
-
-const RendererCapabilitiesImpl& DelegatingRenderer::Capabilities() const {
-  return capabilities_;
-}
+DelegatingRenderer::~DelegatingRenderer() = default;
 
 void DelegatingRenderer::DrawFrame(RenderPassList* render_passes_in_draw_order,
                                    float device_scale_factor,
                                    const gfx::ColorSpace& device_color_space,
                                    const gfx::Rect& device_viewport_rect,
                                    const gfx::Rect& device_clip_rect) {
   TRACE_EVENT0("cc", "DelegatingRenderer::DrawFrame");
 
   DCHECK(!delegated_frame_data_);
 
@@ skipping 19 matching lines @@
   compositor_frame.metadata = std::move(metadata);
   compositor_frame.delegated_frame_data = std::move(delegated_frame_data_);
   output_surface_->SwapBuffers(std::move(compositor_frame));
 }
 
 void DelegatingRenderer::ReclaimResources(
     const ReturnedResourceArray& resources) {
   resource_provider_->ReceiveReturnsFromParent(resources);
 }
 
-void DelegatingRenderer::DidChangeVisibility() {
+void DelegatingRenderer::SetVisible(bool visible) {
+  if (visible == visible_)
+    return;
+  visible_ = visible;
   ContextProvider* context_provider = output_surface_->context_provider();
-  if (!visible()) {
+  if (!visible_) {
     TRACE_EVENT0("cc", "DelegatingRenderer::SetVisible dropping resources");
     if (context_provider) {
       context_provider->DeleteCachedResources();
       context_provider->ContextGL()->Flush();
     }
   }
   if (context_provider) {
     // If we are not visible, we ask the context to aggressively free resources.
-    context_provider->ContextSupport()->SetAggressivelyFreeResources(
-        !visible());
+    context_provider->ContextSupport()->SetAggressivelyFreeResources(!visible_);
   }
 }
 
 }  // namespace cc