Add support for Android spellcheck menu in Chrome/WebViews

third_party/WebKit/Source/core/editing/TextSuggestionBackendImpl.h

+// Copyright 2017 The Chromium Authors. All rights reserved.

[yosin_UTC9, 2017/06/07 01:34:15]

Text suggestion is related to spell checking, could you move new file for text
suggestions to core/editing/suggetion?

+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef TextSuggestionBackendImpl_h
+#define TextSuggestionBackendImpl_h
+
+#include "core/CoreExport.h"
+#include "platform/heap/Persistent.h"
+#include "public/platform/input_messages.mojom-blink.h"
+
+namespace blink {
+
+class LocalFrame;
+
+class CORE_EXPORT TextSuggestionBackendImpl final

[yosin_UTC9, 2017/06/07 01:34:15]

Could you add a class comment?

+    : public mojom::blink::TextSuggestionBackend {
+ public:
+  explicit TextSuggestionBackendImpl(LocalFrame&);
+
+  static void Create(LocalFrame*, mojom::blink::TextSuggestionBackendRequest);
+
+  void ApplySpellCheckSuggestion(const WTF::String& suggestion) override;
+  void DeleteActiveSuggestionRange() override;
+  void NewWordAddedToDictionary(const WTF::String& word) override;
+  void SpellCheckMenuTimeoutCallback() override;
+  void SuggestionMenuClosed() override;
+
+ private:
+  WeakPersistent<LocalFrame> frame_;
+};
+
+}  // namespace blink
+
+#endif  // TextSuggestionBackendImpl_h