Remove GLImage::Destroy().

ui/gl/gl_image_io_surface.mm

 // 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 "ui/gl/gl_image_io_surface.h"
 
 #include <map>
 
 #include "base/callback_helpers.h"
 #include "base/mac/bind_objc_block.h"
@@ skipping 164 matching lines @@
 
 GLImageIOSurface::GLImageIOSurface(const gfx::Size& size,
                                    unsigned internalformat)
     : size_(size),
       internalformat_(ConvertRequestedInternalFormat(internalformat)),
       client_internalformat_(internalformat),
       format_(gfx::BufferFormat::RGBA_8888) {}
 
 GLImageIOSurface::~GLImageIOSurface() {
   DCHECK(thread_checker_.CalledOnValidThread());
-  DCHECK(!io_surface_);
 }
 
 bool GLImageIOSurface::Initialize(IOSurfaceRef io_surface,
                                   gfx::GenericSharedMemoryId io_surface_id,
                                   gfx::BufferFormat format) {
   DCHECK(thread_checker_.CalledOnValidThread());
   DCHECK(!io_surface_);
 
   if (!ValidInternalFormat(internalformat_)) {
     LOG(ERROR) << "Invalid internalformat: " << internalformat_;
@@ skipping 21 matching lines @@
     return false;
   }
 
   if (!Initialize(io_surface, io_surface_id, format))
     return false;
 
   cv_pixel_buffer_.reset(cv_pixel_buffer, base::scoped_policy::RETAIN);
   return true;
 }
 
-void GLImageIOSurface::Destroy(bool have_context) {
-  DCHECK(thread_checker_.CalledOnValidThread());
-  io_surface_.reset();
-  cv_pixel_buffer_.reset();
-}
-
 gfx::Size GLImageIOSurface::GetSize() {
   return size_;
 }
 
 unsigned GLImageIOSurface::GetInternalFormat() {
   return internalformat_;
 }
 
 bool GLImageIOSurface::BindTexImage(unsigned target) {
   DCHECK(thread_checker_.CalledOnValidThread());
@@ skipping 162 matching lines @@
 }
 
 // static
 GLImageIOSurface* GLImageIOSurface::FromGLImage(GLImage* image) {
   if (!image || image->GetType() != Type::IOSURFACE)
     return nullptr;
   return static_cast<GLImageIOSurface*>(image);
 }
 
 }  // namespace gl