Mandoline: Merge Surfaces and Views apps

components/view_manager/gles2/gpu_memory_buffer_impl.h

 // Copyright 2015 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 COMPONENTS_VIEW_MANAGER_GLES2_MOJO_GPU_MEMORY_BUFFER_H_
-#define COMPONENTS_VIEW_MANAGER_GLES2_MOJO_GPU_MEMORY_BUFFER_H_
+#ifndef COMPONENTS_VIEW_MANAGER_GLES2_GPU_MEMORY_BUFFER_IMPL_H_
+#define COMPONENTS_VIEW_MANAGER_GLES2_GPU_MEMORY_BUFFER_IMPL_H_
 
-#include "base/memory/scoped_ptr.h"
+#include "base/memory/ref_counted_memory.h"
 #include "ui/gfx/geometry/size.h"
 #include "ui/gfx/gpu_memory_buffer.h"
 
 namespace gles2 {
 
-class MojoGpuMemoryBufferImpl : public gfx::GpuMemoryBuffer {
+// TODO(fsamuel): See if we can merge this with MojoGpuMemoryBufferImpl.
+class GpuMemoryBufferImpl : public gfx::GpuMemoryBuffer {
  public:
-  MojoGpuMemoryBufferImpl(const gfx::Size& size,
-                          gfx::BufferFormat format,
-                          scoped_ptr<base::SharedMemory> shared_memory);
-  ~MojoGpuMemoryBufferImpl() override;
+  static scoped_ptr<gfx::GpuMemoryBuffer> Create(const gfx::Size& size,
+                                                 gfx::BufferFormat format);
 
-  static scoped_ptr<gfx::GpuMemoryBuffer> Create(const gfx::Size& size,
-                                                 gfx::BufferFormat format,
-                                                 gfx::BufferUsage usage);
+  ~GpuMemoryBufferImpl() override;
 
-  static MojoGpuMemoryBufferImpl* FromClientBuffer(ClientBuffer buffer);
+  static GpuMemoryBufferImpl* FromClientBuffer(ClientBuffer buffer) {
+    return reinterpret_cast<GpuMemoryBufferImpl*>(buffer);
+  }
 
   // Overridden from gfx::GpuMemoryBuffer:
   bool Map(void** data) override;
   void Unmap() override;
   bool IsMapped() const override;
   gfx::BufferFormat GetFormat() const override;
+  gfx::GpuMemoryBufferId GetId() const override;
   void GetStride(int* stride) const override;
-  gfx::GpuMemoryBufferId GetId() const override;
   gfx::GpuMemoryBufferHandle GetHandle() const override;
   ClientBuffer AsClientBuffer() override;
 
+  base::RefCountedBytes* bytes() { return bytes_.get(); }
+
  private:
+  GpuMemoryBufferImpl(base::RefCountedBytes* bytes,
+                      const gfx::Size& size,
+                      gfx::BufferFormat format);
+
+  scoped_refptr<base::RefCountedBytes> bytes_;
   const gfx::Size size_;
   gfx::BufferFormat format_;
-  scoped_ptr<base::SharedMemory> shared_memory_;
   bool mapped_;
-
-  DISALLOW_COPY_AND_ASSIGN(MojoGpuMemoryBufferImpl);
 };
 
-}  // gles2
+}  // namespace gles2
 
-#endif  // COMPONENTS_VIEW_MANAGER_GLES2_MOJO_GPU_MEMORY_BUFFER_H_
+#endif  // COMPONENTS_VIEW_MANAGER_GLES2_GPU_MEMORY_BUFFER_IMPL_H_