Delete MacVDA from the codebase since it is dead code and not being worked on.

content/common/gpu/media/gpu_video_decode_accelerator.cc

 // Copyright (c) 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.
 
 #include "content/common/gpu/media/gpu_video_decode_accelerator.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 11 matching lines @@
 
 #if defined(OS_WIN)
 #include "base/win/windows_version.h"
 #include "content/common/gpu/media/dxva_video_decode_accelerator.h"
 #elif defined(OS_CHROMEOS) && defined(ARCH_CPU_ARMEL) && defined(USE_X11)
 #include "content/common/gpu/media/exynos_video_decode_accelerator.h"
 #include "content/common/gpu/media/omx_video_decode_accelerator.h"
 #elif defined(OS_CHROMEOS) && defined(ARCH_CPU_X86_FAMILY) && defined(USE_X11)
 #include "ui/gl/gl_context_glx.h"
 #include "content/common/gpu/media/vaapi_video_decode_accelerator.h"
-#elif defined(OS_MACOSX)
-#include "gpu/command_buffer/service/texture_manager.h"
-#include "content/common/gpu/media/mac_video_decode_accelerator.h"
 #elif defined(OS_ANDROID)
 #include "content/common/gpu/media/android_video_decode_accelerator.h"
 #endif
 
 #include "gpu/command_buffer/service/texture_manager.h"
 #include "ui/gfx/size.h"
 
 using gpu::gles2::TextureManager;
 
 namespace content {
@@ skipping 153 matching lines @@
         make_context_current_));
   }
 #elif defined(OS_CHROMEOS) && defined(ARCH_CPU_X86_FAMILY) && defined(USE_X11)
   gfx::GLContextGLX* glx_context =
       static_cast<gfx::GLContextGLX*>(stub_->decoder()->GetGLContext());
   GLXContext glx_context_handle =
       static_cast<GLXContext>(glx_context->GetHandle());
   video_decode_accelerator_.reset(new VaapiVideoDecodeAccelerator(
       glx_context->display(), glx_context_handle, this,
       make_context_current_));
-#elif defined(OS_MACOSX)
-  video_decode_accelerator_.reset(new MacVideoDecodeAccelerator(
-      static_cast<CGLContextObj>(
-          stub_->decoder()->GetGLContext()->GetHandle()),
-      this));
 #elif defined(OS_ANDROID)
   video_decode_accelerator_.reset(new AndroidVideoDecodeAccelerator(
       this,
       stub_->decoder()->AsWeakPtr(),
       make_context_current_));
 #else
   NOTIMPLEMENTED() << "HW video decode acceleration not available.";
   NotifyError(media::VideoDecodeAccelerator::PLATFORM_FAILURE);
   return;
 #endif
@@ skipping 133 matching lines @@
     stub_.reset();
   }
 }
 
 bool GpuVideoDecodeAccelerator::Send(IPC::Message* message) {
   DCHECK(stub_);
   return stub_->channel()->Send(message);
 }
 
 }  // namespace content