[CrOS MultiDevice] Move MultiDevice flags from //chrome to //chromeos.

This is necessary because these flags need to be accessed from within
//ash and //chromeos, which do not have access to chrome_features.h
since it resides in //chrome.

Bug: 824568, 752273
Change-Id: I2d20f244bc88758825dd37edf5b9956336017563
Reviewed-on: https://chromium-review.googlesource.com/1029228
Commit-Queue: Kyle Horimoto <[email protected]>
Reviewed-by: Steven Bennetts <[email protected]>
Reviewed-by: Stefan Kuhne <[email protected]>
Reviewed-by: Mihai Sardarescu <[email protected]>
Reviewed-by: James Cook <[email protected]>
Cr-Commit-Position: refs/heads/master@{#554459}
diff --git a/chrome/browser/about_flags.cc b/chrome/browser/about_flags.cc
index 8d89c5b..1acfd2c5 100644
--- a/chrome/browser/about_flags.cc
+++ b/chrome/browser/about_flags.cc
@@ -139,6 +139,7 @@
 #if defined(OS_CHROMEOS)
 #include "ash/public/cpp/ash_features.h"
 #include "ash/public/cpp/ash_switches.h"
+#include "chromeos/chromeos_features.h"
 #include "chromeos/chromeos_switches.h"
 #include "components/arc/arc_features.h"
 #include "third_party/cros_system_api/switches/chrome_switches.h"
@@ -1537,11 +1538,11 @@
     {"enable_unified_multidevice_settings",
      flag_descriptions::kEnableUnifiedMultiDeviceSettingsName,
      flag_descriptions::kEnableUnifiedMultiDeviceSettingsDescription, kOsCrOS,
-     FEATURE_VALUE_TYPE(features::kEnableUnifiedMultiDeviceSettings)},
+     FEATURE_VALUE_TYPE(chromeos::features::kEnableUnifiedMultiDeviceSettings)},
     {"enable_unified_multidevice_setup",
      flag_descriptions::kEnableUnifiedMultiDeviceSetupName,
      flag_descriptions::kEnableUnifiedMultiDeviceSetupDescription, kOsCrOS,
-     FEATURE_VALUE_TYPE(features::kEnableUnifiedMultiDeviceSetup)},
+     FEATURE_VALUE_TYPE(chromeos::features::kEnableUnifiedMultiDeviceSetup)},
     {"enable-video-player-chromecast-support",
      flag_descriptions::kVideoPlayerChromecastSupportName,
      flag_descriptions::kVideoPlayerChromecastSupportDescription, kOsCrOS,