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

ui/ozone/platform/drm/common/native_pixmap_manager_drm.h

Index: ui/ozone/platform/drm/common/native_pixmap_manager_drm.h
diff --git a/ui/ozone/platform/drm/common/native_pixmap_manager_drm.h b/ui/ozone/platform/drm/common/native_pixmap_manager_drm.h
new file mode 100644
index 0000000000000000000000000000000000000000..0c1f56aa7d02a96b11edbd1e783649e209d727f1
--- /dev/null
+++ b/ui/ozone/platform/drm/common/native_pixmap_manager_drm.h
@@ -0,0 +1,19 @@
+// 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_PLATFORM_DRM_COMMON_NATIVE_PIXMAP_MANAGER_DRM_H_
+#define UI_OZONE_PLATFORM_DRM_COMMON_NATIVE_PIXMAP_MANAGER_DRM_H_
+
+namespace ui {
+
+class NativePixmapManager;
+
+// Constructor hook for use in constructor_list.cc
+NativePixmapManager* CreateNativePixmapManagerDri();
+
+NativePixmapManager* CreateNativePixmapManagerDrm();
+
+}  // namespace ui
+
+#endif  // UI_OZONE_PLATFORM_DRM_COMMON_NATIVE_PIXMAP_MANAGER_DRM_H_