Implement large cursors in Mushrome.

ash/mus/bridge/shell_port_mash.cc

 // Copyright 2016 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 "ash/mus/bridge/shell_port_mash.h"
 
 #include <utility>
 
 #include "ash/accelerators/accelerator_controller.h"
 #include "ash/accelerators/accelerator_controller_delegate_aura.h"
@@ skipping 129 matching lines @@
 }
 
 void ShellPortMash::ShowCursor() {
   window_manager_->window_manager_client()->SetCursorVisible(true);
 }
 
 void ShellPortMash::HideCursor() {
   window_manager_->window_manager_client()->SetCursorVisible(false);
 }
 
+void ShellPortMash::SetCursorSize(ui::CursorSize cursor_size) {
+  window_manager_->window_manager_client()->SetCursorSize(cursor_size);
+}
+
 void ShellPortMash::SetGlobalOverrideCursor(
     base::Optional<ui::CursorData> cursor) {
   window_manager_->window_manager_client()->SetGlobalOverrideCursor(
       std::move(cursor));
 }
 
 bool ShellPortMash::IsMouseEventsEnabled() {
   // TODO: http://crbug.com/637853
   NOTIMPLEMENTED();
   return true;
@@ skipping 237 matching lines @@
   mash_state_->accelerator_controller_registrar =
       base ::MakeUnique<AcceleratorControllerRegistrar>(
           window_manager_, accelerator_namespace_id);
   return base::MakeUnique<AcceleratorController>(
       mash_state_->accelerator_controller_delegate.get(),
       mash_state_->accelerator_controller_registrar.get());
 }
 
 }  // namespace mus
 }  // namespace ash