Color: Add SetColorSpace member to gfx::GpuMemoryBuffer

ui/gfx/gpu_memory_buffer.h

 // 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.
 
 #ifndef UI_GFX_GPU_MEMORY_BUFFER_H_
 #define UI_GFX_GPU_MEMORY_BUFFER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include "base/memory/shared_memory.h"
 #include "base/trace_event/memory_dump_manager.h"
 #include "build/build_config.h"
 #include "ui/gfx/buffer_types.h"
 #include "ui/gfx/generic_shared_memory_id.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/gfx_export.h"
 
 #if defined(USE_OZONE)
 #include "ui/gfx/native_pixmap_handle_ozone.h"
 #elif defined(OS_MACOSX) && !defined(OS_IOS)
 #include "ui/gfx/mac/io_surface.h"
 #endif
 
 extern "C" typedef struct _ClientBuffer* ClientBuffer;
 
 namespace gfx {
 
+class ColorSpace;
+
 enum GpuMemoryBufferType {
   EMPTY_BUFFER,
   SHARED_MEMORY_BUFFER,
   IO_SURFACE_BUFFER,
   SURFACE_TEXTURE_BUFFER,
   OZONE_NATIVE_PIXMAP,
   GPU_MEMORY_BUFFER_TYPE_LAST = OZONE_NATIVE_PIXMAP
 };
 
 using GpuMemoryBufferId = GenericSharedMemoryId;
@@ skipping 43 matching lines @@
   // Returns the size for the buffer.
   virtual Size GetSize() const = 0;
 
   // Returns the format for the buffer.
   virtual BufferFormat GetFormat() const = 0;
 
   // Fills the stride in bytes for each plane of the buffer. The stride of
   // plane K is stored at index K-1 of the |stride| array.
   virtual int stride(size_t plane) const = 0;
 
+  // Set the color space in which this buffer should be interpreted when used
+  // for scanout. Note that this will not impact texturing from the buffer.
+  virtual void SetColorSpaceForScanout(const gfx::ColorSpace& color_space);
+
   // Returns a unique identifier associated with buffer.
   virtual GpuMemoryBufferId GetId() const = 0;
 
   // Returns a platform specific handle for this buffer.
   virtual GpuMemoryBufferHandle GetHandle() const = 0;
 
   // Type-checking downcast routine.
   virtual ClientBuffer AsClientBuffer() = 0;
 };
 
 }  // namespace gfx
 
 #endif  // UI_GFX_GPU_MEMORY_BUFFER_H_