ui: Use single buffer SurfaceTexture mode for native GpuMemoryBuffers on Android.

ui/gl/gl_image_surface_texture.h

 // 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.
 
 #ifndef UI_GL_GL_IMAGE_SURFACE_TEXTURE_H_
 #define UI_GL_GL_IMAGE_SURFACE_TEXTURE_H_
 
 #include "base/memory/ref_counted.h"
 #include "base/threading/thread_checker.h"
-#include "ui/gl/gl_bindings.h"
 #include "ui/gl/gl_image.h"
 
 namespace gfx {
 class SurfaceTexture;
 }
 
 namespace gl {
 
 class GL_EXPORT GLImageSurfaceTexture : public GLImage {
  public:
@@ skipping 19 matching lines @@
   void OnMemoryDump(base::trace_event::ProcessMemoryDump* pmd,
                     uint64_t process_tracing_id,
                     const std::string& dump_name) override;
 
  protected:
   ~GLImageSurfaceTexture() override;
 
  private:
   scoped_refptr<gfx::SurfaceTexture> surface_texture_;
   const gfx::Size size_;
-  GLint texture_id_;
   base::ThreadChecker thread_checker_;
+  unsigned framebuffer_ = 0;

[Daniele Castagna, 2015/11/03 19:57:34]

Should we try to share this state before this CL? In this was we should also be
able to avoid some code duplication.

[reveman, 2015/12/05 23:09:08]

Long term that would be nice but there are some open questions about how to best
do that so I'd rather not have this important cleanup blocked on that.

+  unsigned vertex_shader_ = 0;
+  unsigned fragment_shader_ = 0;
+  unsigned program_ = 0;
+  unsigned vertex_buffer_ = 0;
 
   DISALLOW_COPY_AND_ASSIGN(GLImageSurfaceTexture);
 };
 
 }  // namespace gl
 
 #endif  // UI_GL_GL_IMAGE_SURFACE_TEXTURE_H_