cc: Make most of cc::OutputSurface abstract.

content/browser/compositor/offscreen_browser_compositor_output_surface.cc

 // Copyright 2015 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 "content/browser/compositor/offscreen_browser_compositor_output_surface.h"
 
 #include <utility>
 
 #include "base/logging.h"
 #include "build/build_config.h"
@@ skipping 112 matching lines @@
   bool need_to_bind = !!reflector_texture_.get();
   EnsureBackbuffer();
   DCHECK(reflector_texture_.get());
 
   if (need_to_bind) {
     GLES2Interface* gl = context_provider_->ContextGL();
     gl->BindFramebuffer(GL_FRAMEBUFFER, fbo_);
   }
 }
 
-GLenum
-OffscreenBrowserCompositorOutputSurface::GetFramebufferCopyTextureFormat() {
-  return GLCopyTextureInternalFormat(kFboTextureFormat);
-}
-
 void OffscreenBrowserCompositorOutputSurface::SwapBuffers(
     cc::CompositorFrame frame) {
   if (reflector_) {
     if (frame.gl_frame_data->sub_buffer_rect ==
         gfx::Rect(frame.gl_frame_data->size))
       reflector_->OnSourceSwapBuffers();
     else
       reflector_->OnSourcePostSubBuffer(frame.gl_frame_data->sub_buffer_rect);
   }
 
   // TODO(oshima): sync with the reflector's SwapBuffersComplete
   // (crbug.com/520567).
   // The original implementation had a flickering issue (crbug.com/515332).
   gpu::gles2::GLES2Interface* gl = context_provider_->ContextGL();
   const GLuint64 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,
-                             weak_ptr_factory_.GetWeakPtr()));
+      sync_token,
+      base::Bind(
+          &OffscreenBrowserCompositorOutputSurface::OnSwapBuffersComplete,
+          weak_ptr_factory_.GetWeakPtr()));
+}
+
+bool OffscreenBrowserCompositorOutputSurface::IsDisplayedAsOverlayPlane()
+    const {
+  return false;
+}
+
+unsigned OffscreenBrowserCompositorOutputSurface::GetOverlayTextureId() const {
+  return 0;
+}
+
+bool OffscreenBrowserCompositorOutputSurface::SurfaceIsSuspendForRecycle()
+    const {
+  return false;
+}
+
+GLenum
+OffscreenBrowserCompositorOutputSurface::GetFramebufferCopyTextureFormat() {
+  return GLCopyTextureInternalFormat(kFboTextureFormat);
 }
 
 void OffscreenBrowserCompositorOutputSurface::OnReflectorChanged() {
   if (reflector_)
     EnsureBackbuffer();
 }
 
+void OffscreenBrowserCompositorOutputSurface::OnSwapBuffersComplete() {
+  client_->DidSwapBuffersComplete();
+}
+
 }  // namespace content