[WIP] Add support for Android SuggestionSpans when editing text

third_party/WebKit/public/web/WebCompositionUnderline.h

Index: third_party/WebKit/public/web/WebCompositionUnderline.h
diff --git a/third_party/WebKit/public/web/WebCompositionUnderline.h b/third_party/WebKit/public/web/WebCompositionUnderline.h
index 3252ec1d1a3cccaf5b43e83d1d6903c856dc9019..25c80ed179699751845b8799cb930478ffa50e5b 100644
--- a/third_party/WebKit/public/web/WebCompositionUnderline.h
+++ b/third_party/WebKit/public/web/WebCompositionUnderline.h
@@ -31,6 +31,8 @@
 #ifndef WebCompositionUnderline_h
 #define WebCompositionUnderline_h
 
+#include <string>
+#include <vector>
 #include "../platform/WebColor.h"
 
 namespace blink {
@@ -50,7 +52,20 @@ struct WebCompositionUnderline {
                           WebColor c,
                           bool t,
                           WebColor bc)
-      : startOffset(s), endOffset(e), color(c), thick(t), backgroundColor(bc) {}
+      : WebCompositionUnderline(s, e, c, t, bc, std::vector<std::string>()) {}
+
+  WebCompositionUnderline(unsigned s,
+                          unsigned e,
+                          WebColor c,
+                          bool t,
+                          WebColor bc,
+                          std::vector<std::string> su)
+      : startOffset(s),
+        endOffset(e),
+        color(c),
+        thick(t),
+        backgroundColor(bc),
+        suggestions(su) {}
 
   bool operator<(const WebCompositionUnderline& other) const {
     return startOffset != other.startOffset ? startOffset < other.startOffset
@@ -64,6 +79,7 @@ struct WebCompositionUnderline {
   WebColor color;
   bool thick;
   WebColor backgroundColor;
+  std::vector<std::string> suggestions;
 };
 
 }  // namespace blink