[WIP] Add support for Android SuggestionSpans when editing text

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..acc5ae84fb9ef432bd2ff5ee0d3966cd898de642
--- /dev/null
+++ b/content/browser/android/text_suggestion_host_impl.h
@@ -0,0 +1,29 @@
+// 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 content {
+
+class ImeAdapterAndroid;
+
+class TextSuggestionHostImpl : public blink::mojom::TextSuggestionHost {
+ public:
+  explicit TextSuggestionHostImpl(ImeAdapterAndroid*);
+
+  static void create(ImeAdapterAndroid*,
+                     blink::mojom::TextSuggestionHostRequest request);
+
+  void ShowTextSuggestionMenu(std::vector<blink::mojom::TextSuggestionInfoPtr>
+                                  suggestionInfos) override;
+
+ private:
+  ImeAdapterAndroid* m_imeAdapterAndroid;
+};
+}
+
+#endif  // TEXT_SUGGESTION_HOST_IMPL_H_