content: Cleanup GpuMemoryBufferImpl destruction.

content/common/gpu/client/gpu_memory_buffer_impl_surface_texture.cc

 // Copyright 2014 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_surface_texture.h"
 
 #include "base/debug/trace_event.h"
 #include "base/logging.h"
 #include "content/common/android/surface_texture_lookup.h"
 #include "ui/gl/gl_bindings.h"
 
 namespace content {
 
 GpuMemoryBufferImplSurfaceTexture::GpuMemoryBufferImplSurfaceTexture(
     const gfx::Size& size,
-    unsigned internalformat)
-    : GpuMemoryBufferImpl(size, internalformat),
+    unsigned internalformat,
+    const DestructionCallback& callback)
+    : GpuMemoryBufferImpl(size, internalformat), callback_(callback) {
       native_window_(NULL),
       stride_(0u) {}
 
 GpuMemoryBufferImplSurfaceTexture::~GpuMemoryBufferImplSurfaceTexture() {
-  if (native_window_)
-    ANativeWindow_release(native_window_);
+  if (!native_window_)
+    return;
+
+  ANativeWindow_release(native_window_);
+  callback_.Run();
 }
 
 // static
 bool GpuMemoryBufferImplSurfaceTexture::IsFormatSupported(
     unsigned internalformat) {
   switch (internalformat) {
     case GL_RGBA8_OES:
       return true;
     default:
       return false;
@@ skipping 80 matching lines @@
 
 gfx::GpuMemoryBufferHandle GpuMemoryBufferImplSurfaceTexture::GetHandle()
     const {
   gfx::GpuMemoryBufferHandle handle;
   handle.type = gfx::SURFACE_TEXTURE_BUFFER;
   handle.surface_texture_id = surface_texture_id_;
   return handle;
 }
 
 }  // namespace content