[Accessibility] Remove "Edit Box" from CCT urlbar's content description

chrome/android/java/src/org/chromium/chrome/browser/omnibox/UrlBar.java

 // Copyright 2015 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.chrome.browser.omnibox;
 
 import android.content.ClipData;
 import android.content.ClipboardManager;
 import android.content.Context;
 import android.content.res.Resources;
@@ skipping 12 matching lines @@
 import android.view.GestureDetector;
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.accessibility.AccessibilityEvent;
 import android.view.accessibility.AccessibilityManager;
 import android.view.accessibility.AccessibilityNodeInfo;
 import android.view.inputmethod.BaseInputConnection;
 import android.view.inputmethod.EditorInfo;
 import android.view.inputmethod.InputConnection;
 import android.view.inputmethod.InputConnectionWrapper;
+import android.widget.TextView;
 
 import org.chromium.base.ApiCompatibilityUtils;
 import org.chromium.base.Log;
 import org.chromium.base.SysUtils;
 import org.chromium.base.VisibleForTesting;
 import org.chromium.chrome.R;
 import org.chromium.chrome.browser.metrics.StartupMetrics;
 import org.chromium.chrome.browser.omnibox.LocationBarLayout.OmniboxLivenessListener;
 import org.chromium.chrome.browser.tab.Tab;
 import org.chromium.chrome.browser.util.UrlUtilities;
@@ skipping 1110 matching lines @@
         OmniboxUrlEmphasizer.deEmphasizeUrl(getText());
     }
 
     /**
      * @return Whether the current UrlBar input has been pasted from the clipboard.
      */
     public boolean isPastedText() {
         return mIsPastedText;
     }
 
+    @Override
+    public CharSequence getAccessibilityClassName() {
+        // When UrlBar is used as a read-only TextView, force Talkback to pronounce it like
+        // TextView. Otherwise Talkback will say "Edit box, http://...". crbug.com/636988
+        if (isEnabled()) {
+            return super.getAccessibilityClassName();
+        } else {
+            return TextView.class.getName();
+        }
+    }
+
     private void notifyAutocompleteTextStateChanged(boolean textDeleted) {
         if (mUrlBarDelegate == null) return;
         if (!hasFocus()) return;
         if (mIgnoreAutocomplete) return;
 
         mLastUrlEditWasDelete = textDeleted;
         mUrlBarDelegate.onTextChangedForAutocomplete(textDeleted);
     }
 
     /**
@@ skipping 43 matching lines @@
             return (int) paint.measureText(ELLIPSIS);
         }
 
         @Override
         public void draw(Canvas canvas, CharSequence text, int start, int end,
                 float x, int top, int y, int bottom, Paint paint) {
             canvas.drawText(ELLIPSIS, x, y, paint);
         }
     }
 }