Remove IME API from Blink

Source/core/events/CompositionEvent.h

Index: Source/core/events/CompositionEvent.h
diff --git a/Source/core/events/CompositionEvent.h b/Source/core/events/CompositionEvent.h
index dfb89190ea5ff8a8bff65083e3434438c42fe996..aaa8aba4fdf151ff275d8372027d6a1af65696af 100644
--- a/Source/core/events/CompositionEvent.h
+++ b/Source/core/events/CompositionEvent.h
@@ -27,7 +27,6 @@
 #ifndef CompositionEvent_h
 #define CompositionEvent_h
 
-#include "core/editing/CompositionUnderline.h"
 #include "core/events/CompositionEventInit.h"
 #include "core/events/UIEvent.h"
 
@@ -41,9 +40,9 @@ public:
         return adoptRefWillBeNoop(new CompositionEvent);
     }
 
-    static PassRefPtrWillBeRawPtr<CompositionEvent> create(const AtomicString& type, PassRefPtrWillBeRawPtr<AbstractView> view, const String& data, const Vector<CompositionUnderline>& underlines)
+    static PassRefPtrWillBeRawPtr<CompositionEvent> create(const AtomicString& type, PassRefPtrWillBeRawPtr<AbstractView> view, const String& data)
     {
-        return adoptRefWillBeNoop(new CompositionEvent(type, view, data, underlines));
+        return adoptRefWillBeNoop(new CompositionEvent(type, view, data));
     }
 
     static PassRefPtrWillBeRawPtr<CompositionEvent> create(const AtomicString& type, const CompositionEventInit& initializer)
@@ -56,9 +55,6 @@ public:
     void initCompositionEvent(const AtomicString& type, bool canBubble, bool cancelable, PassRefPtrWillBeRawPtr<AbstractView>, const String& data);
 
     String data() const { return m_data; }
-    int activeSegmentStart() const { return m_activeSegmentStart; }
-    int activeSegmentEnd() const { return m_activeSegmentEnd; }
-    const Vector<unsigned>& getSegments() const { return m_segments; }
 
     virtual const AtomicString& interfaceName() const override;
 
@@ -66,14 +62,10 @@ public:
 
 private:
     CompositionEvent();
-    CompositionEvent(const AtomicString& type, PassRefPtrWillBeRawPtr<AbstractView>, const String&, const Vector<CompositionUnderline>& underlines);
+    CompositionEvent(const AtomicString& type, PassRefPtrWillBeRawPtr<AbstractView>, const String&);
     CompositionEvent(const AtomicString& type, const CompositionEventInit&);
-    void initializeSegments(const Vector<CompositionUnderline>* = 0);
 
     String m_data;
-    int m_activeSegmentStart;
-    int m_activeSegmentEnd;
-    Vector<unsigned> m_segments;
 };
 
 } // namespace blink