Support parsing BackgroundSpans and UnderlineSpans in Android IME's commitText()

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

Index: third_party/WebKit/Source/core/editing/InputMethodController.h
diff --git a/third_party/WebKit/Source/core/editing/InputMethodController.h b/third_party/WebKit/Source/core/editing/InputMethodController.h
index 720196527424e42a12bec374795b9fa621c9f5e9..64f63cdee0e8bf86db2f67884d08e20bedb923a9 100644
--- a/third_party/WebKit/Source/core/editing/InputMethodController.h
+++ b/third_party/WebKit/Source/core/editing/InputMethodController.h
@@ -62,18 +62,20 @@ class CORE_EXPORT InputMethodController final
 
   // international text input composition
   bool hasComposition() const;
-  void setComposition(const String&,
-                      const Vector<CompositionUnderline>&,
+  void setComposition(const String& text,
+                      const Vector<CompositionUnderline>& underlines,
                       int selectionStart,
                       int selectionEnd);
-  void setCompositionFromExistingText(const Vector<CompositionUnderline>&,
+  void setCompositionFromExistingText(const Vector<CompositionUnderline>& text,
                                       unsigned compositionStart,
                                       unsigned compositionEnd);
 
   // Deletes ongoing composing text if any, inserts specified text, and
   // changes the selection according to relativeCaretPosition, which is
   // relative to the end of the inserting text.
-  bool commitText(const String& text, int relativeCaretPosition);
+  bool commitText(const String& text,
+                  const Vector<CompositionUnderline>& underlines,
+                  int relativeCaretPosition);
 
   // Inserts ongoing composing text; changes the selection to the end of
   // the inserting text if DoNotKeepSelection, or holds the selection if