[WIP] Add support for Android SuggestionSpans when editing text

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

Index: third_party/WebKit/Source/core/editing/CompositionUnderline.h
diff --git a/third_party/WebKit/Source/core/editing/CompositionUnderline.h b/third_party/WebKit/Source/core/editing/CompositionUnderline.h
index fc91fe8ddff087310907d68d21b4d6e1a0c924f1..edc07f8c2ff04437567942b3308a3b7be7494e69 100644
--- a/third_party/WebKit/Source/core/editing/CompositionUnderline.h
+++ b/third_party/WebKit/Source/core/editing/CompositionUnderline.h
@@ -41,12 +41,19 @@ class CORE_EXPORT CompositionUnderline {
                        const Color&,
                        bool thick,
                        const Color& backgroundColor);
+  CompositionUnderline(unsigned startOffset,
+                       unsigned endOffset,
+                       const Color&,
+                       bool thick,
+                       const Color& backgroundColor,
+                       const Vector<String>& suggestions);
 
   unsigned startOffset() const { return m_startOffset; }
   unsigned endOffset() const { return m_endOffset; }
   const Color& color() const { return m_color; }
   bool thick() const { return m_thick; }
   const Color& backgroundColor() const { return m_backgroundColor; }
+  const Vector<String>& suggestions() const { return m_suggestions; }
 
  private:
   unsigned m_startOffset;
@@ -54,6 +61,9 @@ class CORE_EXPORT CompositionUnderline {
   Color m_color;
   bool m_thick;
   Color m_backgroundColor;
+  Vector<String> m_suggestions;
+
+  friend class CompositionUnderlineBuilder;
 };
 
 }  // namespace blink