Support InputMethodManager#updateCursorAnchorInfo for Android 5.0 (C++ version)

content/public/android/java/src/org/chromium/content/browser/input/AdapterInputConnection.java

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.content.browser.input;
 
+import android.annotation.TargetApi;
+import android.os.Build;
 import android.os.SystemClock;
 import android.text.Editable;
 import android.text.InputType;
 import android.text.Selection;
 import android.text.TextUtils;
 import android.util.Log;
 import android.view.KeyCharacterMap;
 import android.view.KeyEvent;
 import android.view.View;
 import android.view.inputmethod.BaseInputConnection;
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         }
         updateSelectionIfRequired();
 
         CharSequence regionText = null;
         if (b > a) {
             regionText = mEditable.subSequence(a, b);
         }
         return mImeAdapter.setComposingRegion(regionText, a, b);
     }
 
+    /**
+     * @see BaseInputConnection#requestCursorUpdates(int)
+     */
+    @TargetApi(Build.VERSION_CODES.LOLLIPOP)
+    @Override
+    public boolean requestCursorUpdates(int cursorUpdateMode) {
+        return mImeAdapter.requestCursorUpdates(cursorUpdateMode);
+    }
+
     boolean isActive() {
         return getInputMethodManagerWrapper().isActive(mInternalView);
     }
 
     private InputMethodManagerWrapper getInputMethodManagerWrapper() {
         return mImeAdapter.getInputMethodManagerWrapper();
     }
 
     /**
      * This method works around the issue crbug.com/373934 where Blink does not cancel
@@ skipping 43 matching lines @@
     @VisibleForTesting
     ImeState getImeStateForTesting() {
         String text = mEditable.toString();
         int selectionStart = Selection.getSelectionStart(mEditable);
         int selectionEnd = Selection.getSelectionEnd(mEditable);
         int compositionStart = getComposingSpanStart(mEditable);
         int compositionEnd = getComposingSpanEnd(mEditable);
         return new ImeState(text, selectionStart, selectionEnd, compositionStart, compositionEnd);
     }
 }