cc: Remove FinishAllRendering, as it doesn't do anything anymore.

cc/output/software_renderer.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_SOFTWARE_RENDERER_H_
 #define CC_OUTPUT_SOFTWARE_RENDERER_H_
 
 #include "base/macros.h"
 #include "cc/base/cc_export.h"
 #include "cc/output/compositor_frame.h"
@@ skipping 16 matching lines @@
 class CC_EXPORT SoftwareRenderer : public DirectRenderer {
  public:
   static std::unique_ptr<SoftwareRenderer> Create(
       RendererClient* client,
       const RendererSettings* settings,
       OutputSurface* output_surface,
       ResourceProvider* resource_provider);
 
   ~SoftwareRenderer() override;
   const RendererCapabilitiesImpl& Capabilities() const override;
-  void Finish() override;
   void SwapBuffers(CompositorFrameMetadata metadata) override;
   void DiscardBackbuffer() override;
   void EnsureBackbuffer() override;
 
   void SetDisablePictureQuadImageFiltering(bool disable) {
     disable_picture_quad_image_filtering_ = disable;
   }
 
  protected:
   void BindFramebufferToOutputSurface(DrawingFrame* frame) override;
@@ skipping 72 matching lines @@
   std::unique_ptr<ResourceProvider::ScopedWriteLockSoftware>
       current_framebuffer_lock_;
   sk_sp<SkCanvas> current_framebuffer_canvas_;
 
   DISALLOW_COPY_AND_ASSIGN(SoftwareRenderer);
 };
 
 }  // namespace cc
 
 #endif  // CC_OUTPUT_SOFTWARE_RENDERER_H_