Remove redundant field initialization in Java code.

chrome/android/java/src/org/chromium/chrome/browser/preferences/website/SiteSettingsPreferences.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.preferences.website;
 
 import android.os.Build;
 import android.os.Bundle;
 import android.preference.Preference;
 import android.preference.Preference.OnPreferenceClickListener;
@@ skipping 32 matching lines @@
     static final String MEDIA_KEY = "media";
     static final String MICROPHONE_KEY = "microphone";
     static final String NOTIFICATIONS_KEY = "notifications";
     static final String POPUPS_KEY = "popups";
     static final String PROTECTED_CONTENT_KEY = "protected_content";
     static final String STORAGE_KEY = "use_storage";
     static final String TRANSLATE_KEY = "translate";
     static final String USB_KEY = "usb";
 
     // Whether the Protected Content menu is available for display.
-    boolean mProtectedContentMenuAvailable = false;
+    boolean mProtectedContentMenuAvailable;
 
     // Whether this class is handling showing the Media sub-menu (and not the main menu).
-    boolean mMediaSubMenu = false;
+    boolean mMediaSubMenu;
 
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         addPreferencesFromResource(R.xml.site_settings_preferences);
         getActivity().setTitle(R.string.prefs_site_settings);
 
         mProtectedContentMenuAvailable = Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT;
 
         String category = "";
@@ skipping 174 matching lines @@
         return false;
     }
 
     private void setTranslateStateSummary(Preference translatePref) {
         boolean translateEnabled = PrefServiceBridge.getInstance().isTranslateEnabled();
         translatePref.setSummary(translateEnabled
                 ? R.string.website_settings_category_ask
                 : R.string.website_settings_category_blocked);
     }
 }