Remove logic to reset input method more than needed

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 45cb715a0092acba96107a909f9e88c68717d29c..1e1d1dd6da4ab0afc801ce4e4997a5fe1e761312 100644
--- a/third_party/WebKit/Source/core/editing/InputMethodController.h
+++ b/third_party/WebKit/Source/core/editing/InputMethodController.h
@@ -71,7 +71,6 @@ public:
     // Deletes the existing composition text.
     void cancelComposition();
 
-    void cancelCompositionIfSelectionIsInvalid();
     EphemeralRange compositionEphemeralRange() const;
     Range* compositionRange() const;
 
@@ -88,7 +87,6 @@ private:
     Member<LocalFrame> m_frame;
     Member<Range> m_compositionRange;
     bool m_isDirty;
-    bool m_hasComposition;
 
     explicit InputMethodController(LocalFrame&);