Remove DeviceLightEvent implementation

content/shell/test_runner/test_runner.h

 // 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.
 
 #ifndef CONTENT_SHELL_TEST_RUNNER_TEST_RUNNER_H_
 #define CONTENT_SHELL_TEST_RUNNER_TEST_RUNNER_H_
 
 #include <stdint.h>
 
 #include <deque>
@@ skipping 266 matching lines @@
   // all tests that rely on this... well, unfortunate behavior. See
   // http://crbug.com/309760 for the plan.
   void UseUnfortunateSynchronousResizeMode();
 
   bool EnableAutoResizeMode(int min_width,
                             int min_height,
                             int max_width,
                             int max_height);
   bool DisableAutoResizeMode(int new_width, int new_height);
 
-  void SetMockDeviceLight(double value);
-  void ResetDeviceLight();
   // Device Motion / Device Orientation related functions
   void SetMockDeviceMotion(bool has_acceleration_x,
                            double acceleration_x,
                            bool has_acceleration_y,
                            double acceleration_y,
                            bool has_acceleration_z,
                            double acceleration_z,
                            bool has_acceleration_including_gravity_x,
                            double acceleration_including_gravity_x,
                            bool has_acceleration_including_gravity_y,
@@ skipping 368 matching lines @@
   bool disable_v8_cache_ = false;
 
   base::WeakPtrFactory<TestRunner> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(TestRunner);
 };
 
 }  // namespace test_runner
 
 #endif  // CONTENT_SHELL_TEST_RUNNER_TEST_RUNNER_H_