Add POINTER_TYPE_ERASER to EventPointerType

components/exo/wayland/server.cc

 // 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.
 
 #include "components/exo/wayland/server.h"
 
 #include <grp.h>
 #include <linux/input.h>
 #include <stddef.h>
 #include <stdint.h>
@@ skipping 2945 matching lines @@
   }
   ~WaylandPointerStylusDelegate() override {
     if (pointer_ != nullptr)
       pointer_->SetStylusDelegate(nullptr);
   }
   void OnPointerDestroying(Pointer* pointer) override { pointer_ = nullptr; }
   void OnPointerToolChange(ui::EventPointerType type) override {
     uint wayland_type = ZWP_POINTER_STYLUS_V1_TOOL_TYPE_MOUSE;
     if (type == ui::EventPointerType::POINTER_TYPE_PEN)
       wayland_type = ZWP_POINTER_STYLUS_V1_TOOL_TYPE_PEN;
+    else if (type == ui::EventPointerType::POINTER_TYPE_ERASER)
+      wayland_type = ZWP_POINTER_STYLUS_V1_TOOL_TYPE_ERASER;
     zwp_pointer_stylus_v1_send_tool_change(resource_, wayland_type);
   }
   void OnPointerForce(base::TimeTicks time_stamp, float force) override {
     zwp_pointer_stylus_v1_send_force(resource_,
                                      TimeTicksToMilliseconds(time_stamp),
                                      wl_fixed_from_double(force));
   }
   void OnPointerTilt(base::TimeTicks time_stamp, gfx::Vector2dF tilt) override {
     zwp_pointer_stylus_v1_send_tilt(
         resource_, TimeTicksToMilliseconds(time_stamp),
@@ skipping 150 matching lines @@
   DCHECK(event_loop);
   wl_event_loop_dispatch(event_loop, timeout.InMilliseconds());
 }
 
 void Server::Flush() {
   wl_display_flush_clients(wl_display_.get());
 }
 
 }  // namespace wayland
 }  // namespace exo