Move chromeos::EventRewriter to //ui/chromeos/events

chrome/browser/chromeos/events/event_rewriter_delegate_impl.h

+// 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.
+
+#ifndef CHROME_BROWSER_CHROMEOS_EVENTS_EVENT_REWRITER_DELEGATE_IMPL_H_
+#define CHROME_BROWSER_CHROMEOS_EVENTS_EVENT_REWRITER_DELEGATE_IMPL_H_
+
+#include "base/macros.h"
+#include "ui/chromeos/events/event_rewriter.h"
+
+class PrefService;
+
+namespace chromeos {
+
+class EventRewriterDelegateImpl : public ui::chromeos::EventRewriter::Delegate {
+ public:
+  EventRewriterDelegateImpl();
+  ~EventRewriterDelegateImpl() override;
+
+  void set_pref_service_for_testing(const PrefService* pref_service) {
+    pref_service_for_testing_ = pref_service;
+  }
+
+  // ui::chromeos::EventRewriter::Delegate:
+  bool RewriteModifierKeys() override;
+  bool GetKeyboardRemappedPrefValue(const std::string& pref_name,
+                                    int* result) const override;
+  bool TopRowKeysAreFunctionKeys() const override;
+  bool IsExtensionCommandRegistered(ui::KeyboardCode key_code,
+                                    int flags) const override;
+
+ private:
+  const PrefService* GetPrefService() const;
+
+  const PrefService* pref_service_for_testing_;
+
+  DISALLOW_COPY_AND_ASSIGN(EventRewriterDelegateImpl);
+};
+
+}  // namespace chromeos
+
+#endif  // CHROME_BROWSER_CHROMEOS_EVENTS_EVENT_REWRITER_DELEGATE_IMPL_H_