Implement large cursors in Mushrome.

chrome/browser/chromeos/arc/accessibility/arc_accessibility_helper_bridge_unittest.cc

 // Copyright 2017 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 "chrome/browser/chromeos/arc/accessibility/arc_accessibility_helper_bridge.h"
 
 #include <unordered_map>
 #include <utility>
 
 #include "base/command_line.h"
@@ skipping 17 matching lines @@
     const display::ManagedDisplayInfo& GetDisplayInfo(
         int64_t display_id) const override {
       static const display::ManagedDisplayInfo info;
       return info;
     }
     aura::Window* GetPrimaryDisplayContainer(int container_id) override {
       return nullptr;
     }
     aura::Window* GetActiveWindow() const override { return nullptr; }
     aura::Window* GetFocusedWindow() const override { return nullptr; }
-    ui::CursorSetType GetCursorSet() const override {
-      return ui::CursorSetType::CURSOR_SET_NORMAL;
+    ui::CursorSize GetCursorSize() const override {
+      return ui::CursorSize::kNormal;
     }
     const display::Display& GetCursorDisplay() const override {
       static const display::Display display;
       return display;
     }
     void AddPreTargetHandler(ui::EventHandler* handler) override {}
     void PrependPreTargetHandler(ui::EventHandler* handler) override {}
     void RemovePreTargetHandler(ui::EventHandler* handler) override {}
     void AddPostTargetHandler(ui::EventHandler* handler) override {}
     void RemovePostTargetHandler(ui::EventHandler* handler) override {}
@@ skipping 114 matching lines @@
   helper_bridge->OnAccessibilityEvent(event.Clone());
   ASSERT_EQ(0U, package_to_tree.size());
 
   // Task 1 is now current.
   helper_bridge->OnTaskSetActive(1);
   helper_bridge->OnAccessibilityEvent(event.Clone());
   ASSERT_EQ(1U, package_to_tree.size());
 }
 
 }  // namespace arc