ozone: Implement zero/one-copy texture for Ozone GBM.

content/common/gpu/client/gpu_memory_buffer_impl_ozone_native_buffer.h

Index: content/common/gpu/client/gpu_memory_buffer_impl_ozone_native_buffer.h
diff --git a/content/common/gpu/client/gpu_memory_buffer_impl_ozone_native_buffer.h b/content/common/gpu/client/gpu_memory_buffer_impl_ozone_native_buffer.h
index 882e1e04235a443c01bfe69991a63ecec64fafe8..42bb7310c08297c510ca18c1a1bba9421b0ef20c 100644
--- a/content/common/gpu/client/gpu_memory_buffer_impl_ozone_native_buffer.h
+++ b/content/common/gpu/client/gpu_memory_buffer_impl_ozone_native_buffer.h
@@ -6,6 +6,7 @@
 #define CONTENT_COMMON_GPU_CLIENT_GPU_MEMORY_BUFFER_IMPL_OZONE_NATIVE_BUFFER_H_
 
 #include "content/common/gpu/client/gpu_memory_buffer_impl.h"
+#include "ui/ozone/public/native_pixmap_manager.h"
 
 namespace content {
 
@@ -13,12 +14,15 @@ namespace content {
 class GpuMemoryBufferImplOzoneNativeBuffer : public GpuMemoryBufferImpl {
  public:
   static scoped_ptr<GpuMemoryBufferImpl> CreateFromHandle(
+      ui::NativePixmapManager* manager,
       const gfx::GpuMemoryBufferHandle& handle,
       const gfx::Size& size,
       Format format,
       Usage usage,
       const DestructionCallback& callback);
 
+  ~GpuMemoryBufferImplOzoneNativeBuffer() override;
+
   // Overridden from gfx::GpuMemoryBuffer:
   bool Map(void** data) override;
   void Unmap() override;
@@ -29,8 +33,14 @@ class GpuMemoryBufferImplOzoneNativeBuffer : public GpuMemoryBufferImpl {
   GpuMemoryBufferImplOzoneNativeBuffer(gfx::GpuMemoryBufferId id,
                                        const gfx::Size& size,
                                        Format format,
+                                       Usage usage,
                                        const DestructionCallback& callback);
-  ~GpuMemoryBufferImplOzoneNativeBuffer() override;
+
+  bool Initialize(ui::NativePixmapManager* manager,
+                  const gfx::GpuMemoryBufferHandle& handle);
+
+  scoped_refptr<ui::NativePixmap> pixmap_;
+  Usage usage_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuMemoryBufferImplOzoneNativeBuffer);
 };