[Contextual Search] Remove opt-in code.

chrome/android/java/src/org/chromium/chrome/browser/contextualsearch/ContextualSearchManagementDelegate.java

 // Copyright 2014 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.contextualsearch;
 
 import org.chromium.chrome.browser.Tab;
 import org.chromium.chrome.browser.compositor.bottombar.contextualsearch.ContextualSearchPanelDelegate;
 import org.chromium.content.browser.ContentViewCore;
 import org.chromium.content_public.common.TopControlsState;
 
 /**
  * The delegate that provides global management functionality for Contextual Search.
  */
 public interface ContextualSearchManagementDelegate {
     /**
      * Sets the preference state to enabled or disabled.
      *
      * @param enabled Whether the preference should be set to enabled.
      */
     public void setPreferenceState(boolean enabled);
 
     /**
+     * TODO(pedrosimonetti): rename to isPromoAvailable (requires upstream and downstream changes).
      * @return Whether the Opt-out promo is available to be be shown in the panel.
      */
     boolean isOptOutPromoAvailable();
 
     /**
      * Called when the promo Panel gets closed, to log the outcome.
      */
     void logPromoOutcome();
 
     /**
@@ skipping 71 matching lines @@
      * Notifies that the Contextual Search Panel did get closed.
      */
     void onCloseContextualSearch();
 
     /**
      * Gets the {@code ContentViewCore} associated with Contextual Search Panel.
      * @return Contextual Search Panel's {@code ContentViewCore}.
      */
     ContentViewCore getSearchContentViewCore();
 }