Remove unused InputMethod#setCurrentShowInputToken()

This is a clean up CL to our previous CL [1], which introduced an
unused @hide method

  InputMethod#setCurrentShowInputToken().

Since that method has never been called, there should be no behavior
change in this CL.

 [1]: Ia49e23dd077d264a58d28a7b8acffde54b7db187
      bb0e2f753b4b6e37ab0411499c25661abfbf6553

Bug: 111084606
Bug: 192412909
Test: presubmit
Change-Id: Idd607ef62c91a92006da4bf26a86338ea7224ce8

1 files changed, 0 insertions, 9 deletions

diff --git a/core/java/android/inputmethodservice/InputMethodService.java b/core/java/android/inputmethodservice/InputMethodService.java
index ca7f7495b277..b6078e0dddc3 100644
--- a/core/java/android/inputmethodservice/InputMethodService.java
+++ b/core/java/android/inputmethodservice/InputMethodService.java
@@ -989,15 +989,6 @@ public class InputMethodService extends AbstractInputMethodService {
         public void changeInputMethodSubtype(InputMethodSubtype subtype) {
             dispatchOnCurrentInputMethodSubtypeChanged(subtype);
         }
-
-        /**
-         * {@inheritDoc}
-         * @hide
-         */
-        @Override
-        public void setCurrentShowInputToken(IBinder showInputToken) {
-            mCurShowInputToken = showInputToken;
-        }
     }
 
     /**