ozone: Introduce ClientPixmap and ClientPixmapFactory for non-GPU processes.

ui/ozone/public/native_pixmap_types.h

Index: ui/ozone/public/native_pixmap_types.h
diff --git a/ui/ozone/public/native_pixmap_types.h b/ui/ozone/public/native_pixmap_types.h
new file mode 100644
index 0000000000000000000000000000000000000000..f8a9221aac5935e4d0a9dc256f489346d7351494
--- /dev/null
+++ b/ui/ozone/public/native_pixmap_types.h
@@ -0,0 +1,26 @@
+// 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 UI_OZONE_PUBLIC_NATIVE_PIXMAP_TYPES_H_
+#define UI_OZONE_PUBLIC_NATIVE_PIXMAP_TYPES_H_
+
+namespace ui {
+
+// TODO: this is a placeholder for now and will be populated with more
+// formats once we know what sorts of content, video, etc. we can support.
+enum NativePixmapFormat {
+  NATIVE_PIXMAP_FORMAT_BGRA_8888,
+  NATIVE_PIXMAP_FORMAT_RGBX_8888,
+  NATIVE_PIXMAP_FORMAT_LAST = NATIVE_PIXMAP_FORMAT_RGBX_8888
+};
+
+enum NativePixmapUsage {
+  NATIVE_PIXMAP_USAGE_MAP,
+  NATIVE_PIXMAP_USAGE_PERSISTENT_MAP,
+  NATIVE_PIXMAP_USAGE_SCANOUT,
+};
+
+}  // namespace ui
+
+#endif  // UI_OZONE_PUBLIC_NATIVE_PIXMAP_TYPES_H_