[WIP] Add support for Android SuggestionSpans when editing text

third_party/WebKit/public/web/WebTextSuggestionController.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 WebTextSuggestionController_h
+#define WebTextSuggestionController_h
+
+#include "../platform/WebVector.h"
+
+#include "WebTextSuggestionInfo.h"
+
+namespace blink {
+
+class WebTextSuggestionController {
+ public:
+  virtual ~WebTextSuggestionController() {}
+
+  virtual void applySuggestionReplacement(int documentMarkerID,
+                                          int suggestionIndex) = 0;
+  virtual void deleteSuggestionHighlight() = 0;
+  virtual void suggestionMenuClosed() = 0;
+
+  // TODO: esprehn says we don't need these two methods
+  virtual WebVector<WebTextSuggestionInfo>
+  getTextSuggestionInfosUnderCaret() = 0;
+
+  // Called to let the controller prepare for a text suggestion menu to be shown
+  // (e.g. by hiding the selection caret)
+  virtual void prepareForTextSuggestionMenuToBeShown() = 0;
+};
+
+}  // namespace blink
+
+#endif