Add support for Android spellcheck menu in Chrome/WebViews

content/browser/android/text_suggestion_host_impl.h

Index: content/browser/android/text_suggestion_host_impl.h
diff --git a/content/browser/android/text_suggestion_host_impl.h b/content/browser/android/text_suggestion_host_impl.h
new file mode 100644
index 0000000000000000000000000000000000000000..f3f8adba04f4a1598a24f35d29748df6c3e5f6c7
--- /dev/null
+++ b/content/browser/android/text_suggestion_host_impl.h
@@ -0,0 +1,43 @@
+// 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 TEXT_SUGGESTION_HOST_IMPL_H_
+#define TEXT_SUGGESTION_HOST_IMPL_H_
+
+#include "third_party/WebKit/public/platform/input_host.mojom.h"
+
+namespace service_manager {
+struct BindSourceInfo;
+}
+
+namespace content {
+
+class ImeAdapterAndroid;
+
+// Android implementation of mojom::TextSuggestionHost.
+class TextSuggestionHostImpl final : public blink::mojom::TextSuggestionHost {
+ public:
+  explicit TextSuggestionHostImpl(ImeAdapterAndroid*);
+
+  static void Create(ImeAdapterAndroid*,
+                     const service_manager::BindSourceInfo& source_info,
+                     blink::mojom::TextSuggestionHostRequest request);
+
+  void StartSpellCheckMenuTimer();
+
+  void ShowSpellCheckSuggestionMenu(
+      double caret_x,
+      double caret_y,
+      const std::string& marked_text,
+      std::vector<blink::mojom::SpellCheckSuggestionPtr> suggestions) override;
+
+ private:
+  ImeAdapterAndroid* const ime_adapter_android_;
+
+  DISALLOW_COPY_AND_ASSIGN(TextSuggestionHostImpl);
+};
+
+}  // namespace content
+
+#endif  // TEXT_SUGGESTION_HOST_IMPL_H_