Delete unused getContextMenuManager() methods.

chrome/android/java/src/org/chromium/chrome/browser/suggestions/SuggestionsBottomSheetContent.java

 // Copyright 2017 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.suggestions;
 
 import android.view.View;
 
 import org.chromium.chrome.browser.ChromeActivity;
 import org.chromium.chrome.browser.NativePageHost;
@@ skipping 72 matching lines @@
     @Override
     public View getToolbarView() {
         return null;
     }
 
     @Override
     public int getVerticalScrollOffset() {
         return mRecyclerView.computeVerticalScrollOffset();
     }
 
-    public ContextMenuManager getContextMenuManager() {
-        return mContextMenuManager;
-    }
-
     @Override
     public void destroy() {
         mSuggestionsManager.onDestroy();
         mTileGroupDelegate.destroy();
     }
 
     @Override
     public int getType() {
         return BottomSheetContentController.TYPE_SUGGESTIONS;
     }
@@ skipping 26 matching lines @@
             metricsReporter = sMetricsReporterForTesting;
         }
 
         SuggestionsUiDelegateImpl delegate = new SuggestionsUiDelegateImpl(
                 suggestionsSource, metricsReporter, navigationDelegate, profile, host);
         if (snippetsBridge != null) delegate.addDestructionObserver(snippetsBridge);
 
         return delegate;
     }
 }