cc: Make most of cc::OutputSurface abstract.

ui/compositor/test/in_process_context_factory.cc

 // Copyright 2014 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 "ui/compositor/test/in_process_context_factory.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 38 matching lines @@
 // GL surface.
 class DirectOutputSurface : public cc::OutputSurface {
  public:
   DirectOutputSurface(scoped_refptr<InProcessContextProvider> context_provider)
       : cc::OutputSurface(std::move(context_provider)),
         weak_ptr_factory_(this) {}
 
   ~DirectOutputSurface() override {}
 
   // cc::OutputSurface implementation.
+  void EnsureBackbuffer() override {}
+  void DiscardBackbuffer() override {}
+  void BindFramebuffer() override {
+    context_provider()->ContextGL()->BindFramebuffer(GL_FRAMEBUFFER, 0);
+  }
   bool BindToClient(cc::OutputSurfaceClient* client) override {
     if (!OutputSurface::BindToClient(client))
       return false;
     return true;
   }
   void SwapBuffers(cc::CompositorFrame frame) override {
     DCHECK(context_provider_.get());
     DCHECK(frame.gl_frame_data);
     if (frame.gl_frame_data->sub_buffer_rect ==
         gfx::Rect(frame.gl_frame_data->size)) {
       context_provider_->ContextSupport()->Swap();
     } else {
       context_provider_->ContextSupport()->PartialSwapBuffers(
           frame.gl_frame_data->sub_buffer_rect);
     }
     gpu::gles2::GLES2Interface* gl = context_provider_->ContextGL();
     const uint64_t fence_sync = gl->InsertFenceSyncCHROMIUM();
     gl->ShallowFlushCHROMIUM();
 
     gpu::SyncToken sync_token;
     gl->GenUnverifiedSyncTokenCHROMIUM(fence_sync, sync_token.GetData());
 
     context_provider_->ContextSupport()->SignalSyncToken(
-        sync_token, base::Bind(&OutputSurface::OnSwapBuffersComplete,
+        sync_token, base::Bind(&DirectOutputSurface::OnSwapBuffersComplete,
                                weak_ptr_factory_.GetWeakPtr()));
   }
   uint32_t GetFramebufferCopyTextureFormat() override {
     auto* gl = static_cast<InProcessContextProvider*>(context_provider());
     return gl->GetCopyTextureInternalFormat();
   }
+  cc::OverlayCandidateValidator* GetOverlayCandidateValidator() const override {
+    return nullptr;
+  }
+  bool IsDisplayedAsOverlayPlane() const override { return false; }
+  unsigned GetOverlayTextureId() const override { return 0; }
+  bool SurfaceIsSuspendForRecycle() const override { return false; }
+  bool HasExternalStencilTest() const override { return false; }
+  void ApplyExternalStencil() override {}
 
  private:
+  void OnSwapBuffersComplete() { client_->DidSwapBuffersComplete(); }
+
   base::WeakPtrFactory<DirectOutputSurface> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(DirectOutputSurface);
 };
 
 }  // namespace
 
 InProcessContextFactory::InProcessContextFactory(
     bool context_factory_for_test,
     cc::SurfaceManager* surface_manager)
@@ skipping 161 matching lines @@
 
 void InProcessContextFactory::AddObserver(ContextFactoryObserver* observer) {
   observer_list_.AddObserver(observer);
 }
 
 void InProcessContextFactory::RemoveObserver(ContextFactoryObserver* observer) {
   observer_list_.RemoveObserver(observer);
 }
 
 }  // namespace ui