Mac Overlays: Wire up overlays on Mac

content/common/gpu/client/gpu_memory_buffer_impl_io_surface.cc

 // Copyright 2013 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/common/gpu/client/gpu_memory_buffer_impl_io_surface.h"
 
 #include "base/logging.h"
 #include "content/common/mac/io_surface_manager.h"
 
 namespace content {
 namespace {
 
 uint32_t LockFlags(gfx::GpuMemoryBuffer::Usage usage) {
   switch (usage) {
     case gfx::GpuMemoryBuffer::MAP:
       return kIOSurfaceLockAvoidSync;
     case gfx::GpuMemoryBuffer::PERSISTENT_MAP:
       return 0;
     case gfx::GpuMemoryBuffer::SCANOUT:
-      NOTREACHED();
       return 0;
   }
   NOTREACHED();
   return 0;
 }
 
 }  // namespace
 
 GpuMemoryBufferImplIOSurface::GpuMemoryBufferImplIOSurface(
     gfx::GpuMemoryBufferId id,
@@ skipping 47 matching lines @@
 }
 
 gfx::GpuMemoryBufferHandle GpuMemoryBufferImplIOSurface::GetHandle() const {
   gfx::GpuMemoryBufferHandle handle;
   handle.type = gfx::IO_SURFACE_BUFFER;
   handle.id = id_;
   return handle;
 }
 
 }  // namespace content