[sensors] Ambient light sensor implementation for ChromeOS and Linux.

chrome/browser/about_flags.cc

 // Copyright (c) 2012 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.
 
 #include "chrome/browser/about_flags.h"
 
 #include <iterator>
 #include <map>
 #include <set>
 #include <utility>
@@ skipping 2031 matching lines @@
 #endif  // OS_CHROMEOS
 #if defined(OS_WIN)
     {"disable-winrt-midi-api", IDS_FLAGS_DISABLE_WINRT_MIDI_API_NAME,
      IDS_FLAGS_DISABLE_WINRT_MIDI_API_DESCRIPTION, kOsWin,
      SINGLE_DISABLE_VALUE_TYPE(switches::kDisableWinrtMidiApi)},
 #endif  // OS_WIN
     {"saveas-menu-text-experiment", IDS_FLAGS_SAVEAS_MENU_LABEL_EXPERIMENT_NAME,
      IDS_FLAGS_SAVEAS_MENU_LABEL_EXPERIMENT_DESCRIPTION, kOsDesktop,
      SINGLE_VALUE_TYPE(switches::kEnableSaveAsMenuLabelExperiment)},
     {"enable-generic-sensor", IDS_FLAGS_ENABLE_GENERIC_SENSOR_NAME,
-     IDS_FLAGS_ENABLE_GENERIC_SENSOR_DESCRIPTION, kOsAndroid | kOsMac,
+     IDS_FLAGS_ENABLE_GENERIC_SENSOR_DESCRIPTION,
+     kOsAndroid | kOsMac | kOsLinux | kOsCrOS,
      FEATURE_VALUE_TYPE(features::kGenericSensor)},
     {"expensive-background-timer-throttling",
      IDS_FLAGS_EXPENSIVE_BACKGROUND_TIMER_THROTTLING_NAME,
      IDS_FLAGS_EXPENSIVE_BACKGROUND_TIMER_THROTTLING_DESCRIPTION, kOsAll,
      FEATURE_VALUE_TYPE(features::kExpensiveBackgroundTimerThrottling)},
     {"security-chip", IDS_FLAGS_SECURITY_CHIP_NAME,
      IDS_FLAGS_SECURITY_CHIP_DESCRIPTION, kOsDesktop,
      MULTI_VALUE_TYPE(kSecurityChipChoices)},
     {"security-chip-animation", IDS_FLAGS_SECURITY_CHIP_ANIMATION_NAME,
      IDS_FLAGS_SECURITY_CHIP_ANIMATION_DESCRIPTION, kOsDesktop,
@@ skipping 215 matching lines @@
 const base::HistogramBase::Sample kBadSwitchFormatHistogramId = 0;
 
 const FeatureEntry* GetFeatureEntries(size_t* count) {
   *count = arraysize(kFeatureEntries);
   return kFeatureEntries;
 }
 
 }  // namespace testing
 
 }  // namespace about_flags