[WIP] Add support for Android SuggestionSpans when editing text

third_party/WebKit/public/platform/input_host.mojom

Index: third_party/WebKit/public/platform/input_host.mojom
diff --git a/third_party/WebKit/public/platform/input_host.mojom b/third_party/WebKit/public/platform/input_host.mojom
new file mode 100644
index 0000000000000000000000000000000000000000..802ef73e557f313630ef8da5b7fe28e766309467
--- /dev/null
+++ b/third_party/WebKit/public/platform/input_host.mojom
@@ -0,0 +1,17 @@
+// 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.
+
+module blink.mojom;
+
+struct TextSuggestionInfo {
+  int64 suggestionID;
+  int32 suggestionIndex;
+  string prefix;
+  string suggestion;
+  string suffix;
+};
+
+interface TextSuggestionHost {
+  ShowTextSuggestionMenu(array<TextSuggestionInfo> suggestionInfos);
+};