Support InputMethodManager#updateCursorAnchorInfo for Android 5.0

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.text.Editable;
 import android.text.InputType;
 import android.text.Selection;
 import android.util.StringBuilderPrinter;
 import android.view.KeyCharacterMap;
 import android.view.KeyEvent;
 import android.view.View;
 import android.view.inputmethod.BaseInputConnection;
 import android.view.inputmethod.EditorInfo;
 import android.view.inputmethod.ExtractedText;
@@ skipping 516 matching lines @@
         }
         updateSelectionIfRequired();
 
         CharSequence regionText = null;
         if (b > a) {
             regionText = editable.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.onRequestCursorUpdates(cursorUpdateMode);
+    }
+
     @VisibleForTesting
     static class ImeState {
         public final String text;
         public final int selectionStart;
         public final int selectionEnd;
         public final int compositionStart;
         public final int compositionEnd;
 
         public ImeState(String text, int selectionStart, int selectionEnd,
                 int compositionStart, int compositionEnd) {
             this.text = text;
             this.selectionStart = selectionStart;
             this.selectionEnd = selectionEnd;
             this.compositionStart = compositionStart;
             this.compositionEnd = compositionEnd;
         }
     }
 
     @VisibleForTesting
     ImeState getImeStateForTesting() {
         Editable editable = getEditableInternal();
         String text = editable.toString();
         int selectionStart = Selection.getSelectionStart(editable);
         int selectionEnd = Selection.getSelectionEnd(editable);
         int compositionStart = getComposingSpanStart(editable);
         int compositionEnd = getComposingSpanEnd(editable);
         return new ImeState(text, selectionStart, selectionEnd, compositionStart, compositionEnd);
     }
 }