register voice interaction preference.

chrome/common/pref_names.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/common/pref_names.h"
 
 #include "base/macros.h"
 #include "build/build_config.h"
 #include "chrome/common/features.h"
 #include "chrome/common/pref_font_webkit_names.h"
@@ skipping 45 matching lines @@
     "arc.compatible_filesystem.chosen";
 // A preference that indicates that user accepted Voice Interaction Value Prop.
 const char kArcVoiceInteractionValuePropAccepted[] =
     "arc.voice_interaction_value_prop.accepted";
 // A preference that indicates the user has enabled voice interaction services.
 const char kVoiceInteractionEnabled[] = "settings.voice_interaction.enabled";
 // A preference that indicates the user has enabled providing context to
 // voice interaction services.
 const char kVoiceInteractionContextEnabled[] =
     "settings.voice_interaction.context.enabled";
+// A preference indicating whether voice interaction settings have been read
+// from ARC. This synchronization only happens when user goes through the flow
+// to set up voice interaction.
+const char kVoiceInteractionPrefSynced[] =
+    "settings.voice_interaction.context.synced";
 #endif
 
 // A bool pref that keeps whether the child status for this profile was already
 // successfully checked via ChildAccountService.
 const char kChildAccountStatusKnown[] = "child_account_status_known";
 
 // A string property indicating whether default apps should be installed
 // in this profile.  Use the value "install" to enable defaults apps, or
 // "noinstall" to disable them.  This property is usually set in the
 // master_preferences and copied into the profile preferences on first run.
@@ skipping 2504 matching lines @@
 // Accumulated counters of days with specified Chrome usage. When there is
 // likely a network connection, these counters are reported via UMA and reset.
 const char kOfflineUsageUnusedCount[] = "offline_pages.unused_count";
 const char kOfflineUsageStartedCount[] = "offline_pages.started_count";
 const char kOfflineUsageOfflineCount[] = "offline_pages.offline_count";
 const char kOfflineUsageOnlineCount[] = "offline_pages.online_count";
 const char kOfflineUsageMixedCount[] = "offline_pages.mixed_count";
 #endif
 
 }  // namespace prefs