Add "stylus-tools" Wayland protocol.

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 <set>
 #include <utility>
@@ skipping 182 matching lines @@
   // Called when the begin frame source has changed.
   void SetBeginFrameSource(cc::BeginFrameSource* begin_frame_source);
 
   // Check whether this Surface and its children need to create new cc::Surface
   // IDs for their contents next time they get new buffer contents.
   void CheckIfSurfaceHierarchyNeedsCommitToNewSurfaces();
 
   // Returns the active contents size.
   gfx::Size content_size() const { return content_size_; }
 
+  // Returns true if the associated window is in 'stylus-only' mode.
+  bool IsStylusOnly();
+
+  // Enables 'stylus-only' mode for the associated window.
+  void SetStylusOnly();
+
   // Overridden from ui::ContextFactoryObserver:
   void OnLostResources() override;
 
   // Overridden from aura::WindowObserver:
   void OnWindowAddedToRootWindow(aura::Window* window) override;
   void OnWindowRemovingFromRootWindow(aura::Window* window,
                                       aura::Window* new_root) override;
 
   // Overridden from ui::CompositorVSyncManager::Observer:
   void OnUpdateVSyncParameters(base::TimeTicks timebase,
@@ skipping 173 matching lines @@
   cc::BeginFrameSource* begin_frame_source_ = nullptr;
   bool needs_begin_frame_ = false;
   cc::BeginFrameAck current_begin_frame_ack_;
 
   DISALLOW_COPY_AND_ASSIGN(Surface);
 };
 
 }  // namespace exo
 
 #endif  // COMPONENTS_EXO_SURFACE_H_