Abstract PPAPI's ImageData behind webrtc::DesktopFrame interface

remoting/client/image_buffer.h

+#ifndef REMOTING_CLIENT_IMAGE_BUFFER_H_
+#define REMOTING_CLIENT_IMAGE_BUFFER_H_
+
+#include "base/basictypes.h"
+#include "base/compiler_specific.h"
+
+namespace remoting {
+
+// Interface that abstracts the allocation and storage of raw image data.
+class ImageBuffer {
+ public:
+  // Returns true if the instance is uninitialized or otherwise not ready.
+  virtual bool is_null() = 0;
+
+  // Provides access to the memory block of image data.
+  virtual uint8* data() = 0;
+
+  // The width of the image that can be stored in this buffer, in pixels/ints.
+  virtual int width() = 0;
+
+  // The height of the image that can be stored in this buffer, in pixels/ints.
+  virtual int height() = 0;
+
+  // The (contiguous) space allocated for each row of the image, in bytes.
+  virtual int32 stride() = 0;
+};
+
+}  // namespace remoting
+
+#endif