[WIP] Add support for Android SuggestionSpans when editing text

third_party/WebKit/Source/web/CompositionUnderlineBuilder.h

Index: third_party/WebKit/Source/web/CompositionUnderlineBuilder.h
diff --git a/third_party/WebKit/Source/web/CompositionUnderlineBuilder.h b/third_party/WebKit/Source/web/CompositionUnderlineBuilder.h
index dd483f150c505b070d289dd4616022e4f5032963..a48b8e4cb880b3faff38b4df378b96aee6edbb56 100644
--- a/third_party/WebKit/Source/web/CompositionUnderlineBuilder.h
+++ b/third_party/WebKit/Source/web/CompositionUnderlineBuilder.h
@@ -33,6 +33,7 @@
 
 #include "core/editing/CompositionUnderline.h"
 #include "public/web/WebCompositionUnderline.h"
+#include "wtf/text/WTFString.h"
 
 namespace blink {
 
@@ -46,7 +47,11 @@ class CompositionUnderlineBuilder : public CompositionUnderline {
                              u.endOffset,
                              Color(u.color),
                              u.thick,
-                             Color(u.backgroundColor)) {}
+                             Color(u.backgroundColor)) {
+    for (const std::string& suggestion : u.suggestions) {
+      m_suggestions.push_back(String::fromUTF8(suggestion.c_str()));
+    }
+  }
 };
 
 }  // namespace blink