code: // Licensed to the Software Freedom Conservancy (SFC) under one
  // or more contributor license agreements.  See the NOTICE file
  // distributed with this work for additional information
  // regarding copyright ownership.  The SFC licenses this file
  // to you under the Apache License, Version 2.0 (the
  // "License"); you may not use this file except in compliance
  // with the License.  You may obtain a copy of the License at
  //
  //   http://www.apache.org/licenses/LICENSE-2.0
  //
  // Unless required by applicable law or agreed to in writing,
  // software distributed under the License is distributed on an
  // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  // KIND, either express or implied.  See the License for the
  // specific language governing permissions and limitations
  // under the License.
  
  package org.openqa.selenium.chrome;
  
  import static org.openqa.selenium.remote.Browser.CHROME;
  
  import org.openqa.selenium.Capabilities;
  import org.openqa.selenium.chromium.ChromiumDriverLogLevel;
  import org.openqa.selenium.chromium.ChromiumOptions;
  import org.openqa.selenium.internal.Require;
  import org.openqa.selenium.remote.CapabilityType;
  
  /**
   * Class to manage options specific to {@link ChromeDriver}.
   *
   * <p>Example usage:
   *
   * <pre><code>
   * ChromeOptions options = new ChromeOptions()
   * options.addExtensions(new File("/path/to/extension.crx"))
   * options.setBinary(new File("/path/to/chrome"));
   *
   * // For use with ChromeDriver:
   * ChromeDriver driver = new ChromeDriver(options);
   *
   * // For use with RemoteWebDriver:
   * RemoteWebDriver driver = new RemoteWebDriver(
   *     new URL("http://localhost:4444/"),
   *     new ChromeOptions());
   * </code></pre>
   *
   * @since Since chromedriver v17.0.963.0
   */
  public class ChromeOptions extends ChromiumOptions<ChromeOptions> {
  
    /** Key used to store a set of ChromeOptions in a {@link Capabilities} object. */
    public static final String CAPABILITY = "goog:chromeOptions";
  
    public static final String LOGGING_PREFS = "goog:loggingPrefs";
    private ChromeDriverLogLevel logLevel;
  
    public ChromeOptions() {
      super(CapabilityType.BROWSER_NAME, CHROME.browserName(), CAPABILITY);
    }
  
    /**
     * @deprecated Use {@link ChromeDriverService.Builder#withLogLevel(ChromiumDriverLogLevel)} to set
     *     log level.
     */
    @Deprecated
    public ChromeOptions setLogLevel(ChromeDriverLogLevel logLevel) {
      this.logLevel = Require.nonNull("Log level", logLevel);
      return this;
    }
  
    @Override
    public ChromeOptions merge(Capabilities extraCapabilities) {
      Require.nonNull("Capabilities to merge", extraCapabilities);
  
      ChromeOptions newInstance = new ChromeOptions();
      newInstance.mergeInPlace(this);
      newInstance.mergeInPlace(extraCapabilities);
      newInstance.mergeInOptionsFromCaps(CAPABILITY, extraCapabilities);
  
      return newInstance;
    }
  
    /**
     * @deprecated Log Level only applies to {@link ChromeDriverService}.
     */
    @Deprecated
    public ChromeDriverLogLevel getLogLevel() {
      return logLevel;
    }
  }
  