[WIP] Add support for Android SuggestionSpans when editing text

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

Index: third_party/WebKit/Source/core/editing/TextSuggestionInfo.h
diff --git a/third_party/WebKit/Source/core/editing/TextSuggestionInfo.h b/third_party/WebKit/Source/core/editing/TextSuggestionInfo.h
new file mode 100644
index 0000000000000000000000000000000000000000..8f426e464eed88dbe4b6e4b81389a6efe14be696
--- /dev/null
+++ b/third_party/WebKit/Source/core/editing/TextSuggestionInfo.h
@@ -0,0 +1,33 @@
+// 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 TextSuggestionInfo_h
+#define TextSuggestionInfo_h
+
+#include "wtf/text/WTFString.h"
+
+namespace blink {
+
+// make sure to keep in sync with the list of fields in
+// content/common/input_messages.h
+
+struct TextSuggestionInfo {
+  int suggestionID;
+
+  int suggestionStart;
+  int suggestionEnd;
+
+  int spanStart;
+  int spanEnd;
+
+  int suggestionIndex;
+
+  String prefix;
+  String suggestion;
+  String suffix;
+};
+
+}  // namespace blink
+
+#endif  // TextSuggestionList_h