exo: Add support for secure_output interface to wayland bindings.

components/exo/surface.h

 // 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 COMPONENTS_EXO_SURFACE_H_
 #define COMPONENTS_EXO_SURFACE_H_
 
 #include <list>
 #include <utility>
 
@@ skipping 65 matching lines @@
   // double-buffered and will be applied when Commit() is called.
   void AddSubSurface(Surface* sub_surface);
   void RemoveSubSurface(Surface* sub_surface);
   void SetSubSurfacePosition(Surface* sub_surface, const gfx::Point& position);
   void PlaceSubSurfaceAbove(Surface* sub_surface, Surface* reference);
   void PlaceSubSurfaceBelow(Surface* sub_surface, Surface* sibling);
 
   // This sets the surface viewport for scaling.
   void SetViewport(const gfx::Size& viewport);
 
+  // This sets the only visible on secure output flag, preventing it from
+  // appearing in screenshots or from being viewed on non-secure displays.
+  void SetOnlyVisibleOnSecureOutput(bool only_visible_on_secure_output);
+
   // Surface state (damage regions, attached buffers, etc.) is double-buffered.
   // A Commit() call atomically applies all pending state, replacing the
   // current state. Commit() is not guaranteed to be synchronous. See
   // CommitSurfaceHierarchy() below.
   void Commit();
 
   // This will synchronously commit all pending state of the surface and its
   // descendants by recursively calling CommitSurfaceHierarchy() for each
   // sub-surface with pending state.
   void CommitSurfaceHierarchy();
@@ skipping 87 matching lines @@
   // The stack of sub-surfaces to take effect when Commit() is called.
   // Bottom-most sub-surface at the front of the list and top-most sub-surface
   // at the back.
   using SubSurfaceEntry = std::pair<Surface*, gfx::Point>;
   using SubSurfaceEntryList = std::list<SubSurfaceEntry>;
   SubSurfaceEntryList pending_sub_surfaces_;
 
   // The viewport to take effect when Commit() is called.
   gfx::Size pending_viewport_;
 
+  // The secure output visibility state to take effect when Commit() is called.
+  bool pending_only_visible_on_secure_output_;
+
   // The buffer that is currently set as content of surface.
   base::WeakPtr<Buffer> current_buffer_;
 
   // The active input region used for hit testing.
   SkRegion input_region_;
 
   // This is true if a call to Commit() as been made but
   // CommitSurfaceHierarchy() has not yet been called.
   bool needs_commit_surface_hierarchy_;
 
@@ skipping 15 matching lines @@
 
   // Surface observer list. Surface does not own the observers.
   base::ObserverList<SurfaceObserver, true> observers_;
 
   DISALLOW_COPY_AND_ASSIGN(Surface);
 };
 
 }  // namespace exo
 
 #endif  // COMPONENTS_EXO_SURFACE_H_