Remove DeviceLightEvent implementation

content/shell/test_runner/web_test_delegate.h

 // Copyright 2013 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.
 
 #ifndef CONTENT_SHELL_TEST_RUNNER_WEB_TEST_DELEGATE_H_
 #define CONTENT_SHELL_TEST_RUNNER_WEB_TEST_DELEGATE_H_
 
 #include <memory>
 #include <string>
 #include <vector>
@@ skipping 45 matching lines @@
   // Set and clear the edit command to execute on the next call to
   // WebViewClient::handleCurrentKeyboardEvent().
   virtual void ClearEditCommand() = 0;
   virtual void SetEditCommand(const std::string& name,
                               const std::string& value) = 0;
 
   // Sets gamepad provider to be used for tests.
   virtual void SetGamepadProvider(GamepadController* controller) = 0;
 
   // Set data to return when registering via
-  // Platform::setDeviceLightListener().
-  virtual void SetDeviceLightData(const double data) = 0;
-  // Set data to return when registering via
   // Platform::setDeviceMotionListener().
   virtual void SetDeviceMotionData(const device::MotionData& data) = 0;
   // Set data to return when registering via
   // Platform::setDeviceOrientationListener().
   virtual void SetDeviceOrientationData(
       const device::OrientationData& data) = 0;
 
   // Add a message to stderr (not saved to expected output files, for debugging
   // only).
   virtual void PrintMessageToStderr(const std::string& message) = 0;
@@ skipping 223 matching lines @@
 
   // PlzNavigate
   // Indicates if the navigation was initiated by the browser or renderer.
   virtual bool IsNavigationInitiatedByRenderer(
       const blink::WebURLRequest& request) = 0;
 };
 
 }  // namespace test_runner
 
 #endif  // CONTENT_SHELL_TEST_RUNNER_WEB_TEST_DELEGATE_H_