ui: Remove unused ANDROID_NATIVE_BUFFER GpuMemoryBufferType.

ui/gfx/gpu_memory_buffer.h

 // 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.
 
 #ifndef UI_GFX_GPU_MEMORY_BUFFER_H_
 #define UI_GFX_GPU_MEMORY_BUFFER_H_
 
 #include "base/memory/shared_memory.h"
 #include "build/build_config.h"
 #include "ui/gfx/gfx_export.h"
 
 #if defined(USE_X11)
 #include "ui/gfx/x/x11_types.h"
 #endif
 
 extern "C" typedef struct _ClientBuffer* ClientBuffer;
 
 namespace gfx {
 
 enum GpuMemoryBufferType {
   EMPTY_BUFFER,
   SHARED_MEMORY_BUFFER,
   IO_SURFACE_BUFFER,
-  ANDROID_NATIVE_BUFFER,
   SURFACE_TEXTURE_BUFFER,
   X11_PIXMAP_BUFFER,
   OZONE_NATIVE_BUFFER,
   GPU_MEMORY_BUFFER_TYPE_LAST = OZONE_NATIVE_BUFFER
 };
 
 struct GpuMemoryBufferId {
   GpuMemoryBufferId() : primary_id(0), secondary_id(0) {}
   GpuMemoryBufferId(int32 primary_id, int32 secondary_id)
       : primary_id(primary_id), secondary_id(secondary_id) {}
@@ skipping 52 matching lines @@
   // Returns a platform specific handle for this buffer.
   virtual GpuMemoryBufferHandle GetHandle() const = 0;
 
   // Type-checking downcast routine.
   virtual ClientBuffer AsClientBuffer() = 0;
 };
 
 }  // namespace gfx
 
 #endif  // UI_GFX_GPU_MEMORY_BUFFER_H_