Add logic to GLRenderer to support RenderPassDrawQuad copying.

cc/output/software_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/software_renderer.h"
 
 #include "base/memory/ptr_util.h"
 #include "base/trace_event/trace_event.h"
 #include "cc/base/math_util.h"
 #include "cc/output/compositor_frame.h"
@@ skipping 739 matching lines @@
   sk_sp<SkImage> filter_backdrop_image =
       ApplyImageFilter(filter.get(), quad, backdrop_bitmap, nullptr);
 
   if (!filter_backdrop_image)
     return nullptr;
 
   return filter_backdrop_image->makeShader(content_tile_mode, content_tile_mode,
                                            &filter_backdrop_transform);
 }
 
+bool SoftwareRenderer::CopyRenderPassDrawQuadToIOSurface(
+    const RenderPassDrawQuad* quad,
+    ResourceId* resource_id) {
+  NOTREACHED();
+  return false;
+}
+
+void SoftwareRenderer::ReleaseIOSurfaces(
+    const std::vector<ResourceId>& resources) {
+  NOTREACHED();
+}
+
+void SoftwareRenderer::UpdateCopyCountForFrame(size_t count) {
+  NOTREACHED();
+}
+
 }  // namespace cc