Out of line cleanups for Mac.

app/surface/accelerated_surface_mac.cc

 // Copyright (c) 2010 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 "app/surface/accelerated_surface_mac.h"
 
 #include "app/gfx/gl/gl_bindings.h"
 #include "app/gfx/gl/gl_implementation.h"
 #include "app/surface/io_surface_support_mac.h"
 #include "base/logging.h"
 #include "base/mac/scoped_cftyperef.h"
 #include "ui/gfx/rect.h"
 
 AcceleratedSurface::AcceleratedSurface()
     : io_surface_id_(0),
       allocate_fbo_(false),
       texture_(0),
       fbo_(0),
       depth_stencil_renderbuffer_(0) {
 }
 
+AcceleratedSurface::~AcceleratedSurface() {}
+
 bool AcceleratedSurface::Initialize(gfx::GLContext* share_context,
                                     bool allocate_fbo) {
   allocate_fbo_ = allocate_fbo;
 
   // Ensure GL is initialized before trying to create an offscreen GL context.
   if (!gfx::GLContext::InitializeOneOff())
     return false;
 
   // Drawing to IOSurfaces via OpenGL only works with desktop GL and
   // not with the OSMesa software renderer.
@@ skipping 304 matching lines @@
   }
   return transport_dib_->handle();
 }
 
 void AcceleratedSurface::SetTransportDIBAllocAndFree(
     Callback2<size_t, TransportDIB::Handle*>::Type* allocator,
     Callback1<TransportDIB::Id>::Type* deallocator) {
   dib_alloc_callback_.reset(allocator);
   dib_free_callback_.reset(deallocator);
 }