Delete unused code in chrome/common or mark them as platform specific.

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/basictypes.h"
 #include "chrome/common/pref_font_webkit_names.h"
 
 namespace prefs {
 
 // *************** PROFILE PREFS ***************
 // These are attached to the user profile
 
 
 // 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.
 // Defaults apps are installed only when creating a new profile.
 const char kDefaultApps[] = "default_apps";
 
-// Whether we have installed default apps yet in this profile.
-const char kDefaultAppsInstalled[] = "default_apps_installed";
-
 // Disables screenshot accelerators and extension APIs.
 // This setting resides both in profile prefs and local state. Accelerator
 // handling code reads local state, while extension APIs use profile pref.
 const char kDisableScreenshots[] = "disable_screenshots";
 
 // If set to true profiles are created in ephemeral mode and do not store their
 // data in the profile folder on disk but only in memory.
 const char kForceEphemeralProfiles[] = "profile.ephemeral_mode";
 
 // A boolean specifying whether the New Tab page is the home page or not.
@@ skipping 181 matching lines @@
 const char kWebKitSansSerifFontFamilyMap[] =
     WEBKIT_WEBPREFS_FONTS_SANSERIF;
 const char kWebKitCursiveFontFamilyMap[] =
     WEBKIT_WEBPREFS_FONTS_CURSIVE;
 const char kWebKitFantasyFontFamilyMap[] =
     WEBKIT_WEBPREFS_FONTS_FANTASY;
 const char kWebKitPictographFontFamilyMap[] =
     WEBKIT_WEBPREFS_FONTS_PICTOGRAPH;
 const char kWebKitStandardFontFamilyArabic[] =
     "webkit.webprefs.fonts.standard.Arab";
+#if defined(OS_WIN)
 const char kWebKitFixedFontFamilyArabic[] =
     "webkit.webprefs.fonts.fixed.Arab";
+#endif
 const char kWebKitSerifFontFamilyArabic[] =
     "webkit.webprefs.fonts.serif.Arab";
 const char kWebKitSansSerifFontFamilyArabic[] =
     "webkit.webprefs.fonts.sansserif.Arab";
+#if defined(OS_WIN)
 const char kWebKitStandardFontFamilyCyrillic[] =
     "webkit.webprefs.fonts.standard.Cyrl";
 const char kWebKitFixedFontFamilyCyrillic[] =
     "webkit.webprefs.fonts.fixed.Cyrl";
 const char kWebKitSerifFontFamilyCyrillic[] =
     "webkit.webprefs.fonts.serif.Cyrl";
 const char kWebKitSansSerifFontFamilyCyrillic[] =
     "webkit.webprefs.fonts.sansserif.Cyrl";
 const char kWebKitStandardFontFamilyGreek[] =
     "webkit.webprefs.fonts.standard.Grek";
 const char kWebKitFixedFontFamilyGreek[] =
     "webkit.webprefs.fonts.fixed.Grek";
 const char kWebKitSerifFontFamilyGreek[] =
     "webkit.webprefs.fonts.serif.Grek";
 const char kWebKitSansSerifFontFamilyGreek[] =
     "webkit.webprefs.fonts.sansserif.Grek";
+#endif
 const char kWebKitStandardFontFamilyJapanese[] =
     "webkit.webprefs.fonts.standard.Jpan";
 const char kWebKitFixedFontFamilyJapanese[] =
     "webkit.webprefs.fonts.fixed.Jpan";
 const char kWebKitSerifFontFamilyJapanese[] =
     "webkit.webprefs.fonts.serif.Jpan";
 const char kWebKitSansSerifFontFamilyJapanese[] =
     "webkit.webprefs.fonts.sansserif.Jpan";
 const char kWebKitStandardFontFamilyKorean[] =
     "webkit.webprefs.fonts.standard.Hang";
 const char kWebKitFixedFontFamilyKorean[] =
     "webkit.webprefs.fonts.fixed.Hang";
 const char kWebKitSerifFontFamilyKorean[] =
     "webkit.webprefs.fonts.serif.Hang";
 const char kWebKitSansSerifFontFamilyKorean[] =
     "webkit.webprefs.fonts.sansserif.Hang";
+#if defined(OS_WIN)
 const char kWebKitCursiveFontFamilyKorean[] =
     "webkit.webprefs.fonts.cursive.Hang";
+#endif
 const char kWebKitStandardFontFamilySimplifiedHan[] =
     "webkit.webprefs.fonts.standard.Hans";
 const char kWebKitFixedFontFamilySimplifiedHan[] =
     "webkit.webprefs.fonts.fixed.Hans";
 const char kWebKitSerifFontFamilySimplifiedHan[] =
     "webkit.webprefs.fonts.serif.Hans";
 const char kWebKitSansSerifFontFamilySimplifiedHan[] =
     "webkit.webprefs.fonts.sansserif.Hans";
 const char kWebKitStandardFontFamilyTraditionalHan[] =
     "webkit.webprefs.fonts.standard.Hant";
@@ skipping 81 matching lines @@
 const char kSearchSuggestEnabled[] = "search.suggest_enabled";
 
 #if defined(OS_ANDROID)
 // String indicating the Contextual Search enabled state.
 // "false" - opt-out (disabled)
 // "" (empty string) - undecided
 // "true" - opt-in (enabled)
 const char kContextualSearchEnabled[] = "search.contextual_search_enabled";
 #endif
 
+#if defined(OS_MACOSX)
 // Boolean that indicates whether the browser should put up a confirmation
 // window when the user is attempting to quit. Mac only.
 const char kConfirmToQuitEnabled[] = "browser.confirm_to_quit";
+#endif
 
 // Boolean which specifies whether we should ask the user if we should download
 // a file (true) or just download it automatically.
 const char kPromptForDownload[] = "download.prompt_for_download";
 
 // A boolean pref set to true if we're using Link Doctor error pages.
 const char kAlternateErrorPagesEnabled[] = "alternate_error_pages.enabled";
 
 // An adaptively identified list of domain names to be pre-fetched during the
 // next startup, based on what was actually needed during this startup.
 const char kDnsPrefetchingStartupList[] = "dns_prefetching.startup_list";
 
 // A list of host names used to fetch web pages, and their commonly used
 // sub-resource hostnames (and expected latency benefits from pre-resolving, or
 // preconnecting to, such sub-resource hostnames).
 // This list is adaptively grown and pruned.
 const char kDnsPrefetchingHostReferralList[] =
     "dns_prefetching.host_referral_list";
 
 // Disables the SPDY protocol.
 const char kDisableSpdy[] = "spdy.disabled";
 
 // Prefs for persisting HttpServerProperties.
 const char kHttpServerProperties[] = "net.http_server_properties";
 
-// Prefs for server names that support SPDY protocol.
-const char kSpdyServers[] = "spdy.servers";
-
-// Prefs for servers that support Alternate-Protocol.
-const char kAlternateProtocolServers[] = "spdy.alternate_protocol";
-
-// Disables the listed protocol schemes.
-const char kDisabledSchemes[] = "protocol.disabled_schemes";
-
 #if defined(OS_ANDROID) || defined(OS_IOS)
 // Last time that a check for cloud policy management was done. This time is
 // recorded on Android so that retries aren't attempted on every startup.
 // Instead the cloud policy registration is retried at least 1 or 3 days later.
 const char kLastPolicyCheckTime[] = "policy.last_policy_check_time";
 #endif
 
 // Prefix URL for the experimental Instant ZeroSuggest provider.
 const char kInstantUIZeroSuggestUrlPrefix[] =
     "instant_ui.zero_suggest_url_prefix";
@@ skipping 70 matching lines @@
 const char kDisableDriveHostedFiles[] = "gdata.hosted_files.disabled";
 
 // A string pref set to the current input method.
 const char kLanguageCurrentInputMethod[] =
     "settings.language.current_input_method";
 
 // A string pref set to the previous input method.
 const char kLanguagePreviousInputMethod[] =
     "settings.language.previous_input_method";
 
-// A string pref (comma-separated list) set to the "next engine in menu"
-// hot-key lists.
-const char kLanguageHotkeyNextEngineInMenu[] =
-    "settings.language.hotkey_next_engine_in_menu";
-
-// A string pref (comma-separated list) set to the "previous engine"
-// hot-key lists.
-const char kLanguageHotkeyPreviousEngine[] =
-    "settings.language.hotkey_previous_engine";
-
 // A string pref (comma-separated list) set to the preferred language IDs
 // (ex. "en-US,fr,ko").
 const char kLanguagePreferredLanguages[] =
     "settings.language.preferred_languages";
 const char kLanguagePreferredLanguagesSyncable[] =
     "settings.language.preferred_languages_syncable";
 
 // A string pref (comma-separated list) set to the preloaded (active) input
 // method IDs (ex. "pinyin,mozc").
 const char kLanguagePreloadEngines[] = "settings.language.preload_engines";
@@ skipping 305 matching lines @@
 // which allows to bypass the user's proxy for captive portal authentication.
 const char kCaptivePortalAuthenticationIgnoresProxy[] =
     "proxy.captive_portal_ignores_proxy";
 
 // This boolean controls whether the first window shown on first run should be
 // unconditionally maximized, overriding the heuristic that normally chooses the
 // window size.
 const char kForceMaximizeOnFirstRun[] = "ui.force_maximize_on_first_run";
 #endif  // defined(OS_CHROMEOS)
 
-// The disabled messages in IPC logging.
-const char kIpcDisabledMessages[] = "ipc_log_disabled_messages";
-
 // A boolean pref set to true if a Home button to open the Home pages should be
 // visible on the toolbar.
 const char kShowHomeButton[] = "browser.show_home_button";
 
 // A string value which saves short list of recently user selected encodings
 // separated with comma punctuation mark.
 const char kRecentlySelectedEncoding[] = "profile.recently_selected_encodings";
 
 // Clear Browsing Data dialog preferences.
 const char kDeleteBrowsingHistory[] = "browser.clear_data.browsing_history";
@@ skipping 16 matching lines @@
 const char kEnabledLabsExperiments[] = "browser.enabled_labs_experiments";
 
 // Boolean pref to define the default values for using auto spell correct.
 const char kEnableAutoSpellCorrect[] = "browser.enable_autospellcorrect";
 
 // Boolean pref to define the default setting for "block offensive words".
 // The old key value is kept to avoid unnecessary migration code.
 const char kSpeechRecognitionFilterProfanities[] =
     "browser.speechinput_censor_results";
 
-// List of speech recognition context names (extensions or websites) for which
-// the tray notification balloon has already been shown.
-const char kSpeechRecognitionTrayNotificationShownContexts[] =
-    "browser.speechinput_tray_notification_shown_contexts";
-
 // Boolean controlling whether history saving is disabled.
 const char kSavingBrowserHistoryDisabled[] = "history.saving_disabled";
 
 // Boolean controlling whether deleting browsing and download history is
 // permitted.
 const char kAllowDeletingBrowserHistory[] = "history.deleting_enabled";
 
 // Boolean controlling whether SafeSearch is mandatory for Google Web Searches.
 const char kForceGoogleSafeSearch[] = "settings.force_google_safesearch";
 
@@ skipping 148 matching lines @@
 
 // Whether the user has selected "Same as billing" for the shipping address when
 // using Google Wallet.
 const char kAutofillDialogWalletShippingSameAsBilling[] =
     "autofill.wallet_shipping_same_as_billing";
 
 // The number of times the generated credit card bubble has been shown.
 const char kAutofillGeneratedCardBubbleTimesShown[] =
     "autofill.generated_card_bubble_times_shown";
 
+#if defined(OS_ANDROID)
 // A dictionary that tracks the defaults to be set on the next invocation
 // of the requestAutocomplete dialog.
 const char kAutofillDialogDefaults[] = "autofill.rac_dialog_defaults";
+#endif
 
 #if !defined(OS_ANDROID)
 const char kPinnedTabs[] = "pinned_tabs";
 #endif
 
 // Preference to disable 3D APIs (WebGL, Pepper 3D).
 const char kDisable3DAPIs[] = "disable_3d_apis";
 
 const char kEnableDeprecatedWebPlatformFeatures[] =
     "enable_deprecated_web_platform_features";
@@ skipping 155 matching lines @@
 // Whether Easy Unlock is enabled.
 const char kEasyUnlockEnabled[] = "easy_unlock.enabled";
 
 // Preference storing Easy Unlock pairing data.
 const char kEasyUnlockPairing[] = "easy_unlock.pairing";
 
 // Whether close proximity between the remote and the local device is required
 // in order to use Easy Unlock.
 const char kEasyUnlockProximityRequired[] = "easy_unlock.proximity_required";
 
-// Whether to show the Easy Unlock first run tutorial.
-const char kEasyUnlockShowTutorial[] = "easy_unlock.show_tutorial";
-
 // A cache of zero suggest results using JSON serialized into a string.
 const char kZeroSuggestCachedResults[] = "zerosuggest.cachedresults";
 
 #if defined(ENABLE_EXTENSIONS) && !defined(OS_ANDROID) && !defined(OS_IOS)
 // These device IDs are used by the copresence component, to uniquely identify
 // this device to the server. For privacy, authenticated and unauthenticated
 // calls are made using different device IDs.
 const char kCopresenceAuthenticatedDeviceId[] =
     "apps.copresence.auth_device_id";
 const char kCopresenceAnonymousDeviceId[] = "apps.copresence.unauth_device_id";
@@ skipping 53 matching lines @@
 // Prefs for SSLConfigServicePref.
 const char kCertRevocationCheckingEnabled[] = "ssl.rev_checking.enabled";
 const char kCertRevocationCheckingRequiredLocalAnchors[] =
     "ssl.rev_checking.required_for_local_anchors";
 const char kSSLVersionMin[] = "ssl.version_min";
 const char kSSLVersionMax[] = "ssl.version_max";
 const char kSSLVersionFallbackMin[] = "ssl.version_fallback_min";
 const char kCipherSuiteBlacklist[] = "ssl.cipher_suites.blacklist";
 const char kDisableSSLRecordSplitting[] = "ssl.ssl_record_splitting.disabled";
 
-// Dictionary of dates when a site's SSL blocking interstitial was proceeded
-// through.
-const char kSSLBlockingBypassed[] = "ssl.ssl_blocking_bypassed";
-
 // Boolean that specifies whether or not crash reporting and metrics reporting
 // are sent over the network for analysis.
 const char kMetricsReportingEnabled[] =
     "user_experience_metrics.reporting_enabled";
 
 // Boolean that specifies whether or not crash reports are sent
 // over the network for analysis.
 #if defined(OS_ANDROID)
 const char kCrashReportingEnabled[] =
     "user_experience_metrics_crash.reporting_enabled";
@@ skipping 170 matching lines @@
 // String which represents the dictionary name for our spell-checker.
 const char kSpellCheckDictionary[] = "spellcheck.dictionary";
 
 // String which represents whether we use the spelling service.
 const char kSpellCheckUseSpellingService[] = "spellcheck.use_spelling_service";
 
 // Dictionary of schemes used by the external protocol handler.
 // The value is true if the scheme must be ignored.
 const char kExcludedSchemes[] = "protocol_handler.excluded_schemes";
 
-// Keys used for MAC handling of SafeBrowsing requests.
-const char kSafeBrowsingClientKey[] = "safe_browsing.client_key";
-const char kSafeBrowsingWrappedKey[] = "safe_browsing.wrapped_key";
-
 // Integer that specifies the index of the tab the user was on when they
 // last visited the options window.
 const char kOptionsWindowLastTabIndex[] = "options_window.last_tab_index";
 
-// Integer that specifies the index of the tab the user was on when they
-// last visited the Certificate Manager window.
-const char kCertificateManagerWindowLastTabIndex[] =
-    "certificate_manager_window.last_tab_index";
-
 // Integer that specifies if the first run bubble should be shown.
 // This preference is only registered by the first-run procedure.
 const char kShowFirstRunBubbleOption[] = "show-first-run-bubble-option";
 
 // String containing the last known intranet redirect URL, if any.  See
 // intranet_redirect_detector.h for more information.
 const char kLastKnownIntranetRedirectOrigin[] = "browser.last_redirect_origin";
 
 // An enum value of how the browser was shut down (see browser_shutdown.h).
 const char kShutdownType[] = "shutdown.type";
 // Number of processes that were open when the user shut down.
 const char kShutdownNumProcesses[] = "shutdown.num_processes";
 // Number of processes that were shut down using the slow path.
 const char kShutdownNumProcessesSlow[] = "shutdown.num_processes_slow";
 
 // Whether to restart the current Chrome session automatically as the last thing
 // before shutting everything down.
 const char kRestartLastSessionOnShutdown[] = "restart.last.session.on.shutdown";
 
 // Set before autorestarting Chrome, cleared on clean exit.
 const char kWasRestarted[] = "was.restarted";
 
 #if defined(OS_WIN)
 // Preference to be used while relaunching Chrome. This preference dictates if
 // Chrome should be launched in Metro or Desktop mode.
 // For more info take a look at ChromeRelaunchMode enum.
 const char kRelaunchMode[] = "relaunch.mode";
 #endif
 
-// Placeholder preference for disabling voice / video chat if it is ever added.
-// Currently, this does not change any behavior.
-const char kDisableVideoAndChat[] = "disable_video_chat";
-
 // Whether Extensions are enabled.
 const char kDisableExtensions[] = "extensions.disabled";
 
 // Whether the plugin finder that lets you install missing plugins is enabled.
 const char kDisablePluginFinder[] = "plugins.disable_plugin_finder";
 
 // Customized app page names that appear on the New Tab Page.
 const char kNtpAppPageNames[] = "ntp.app_page_names";
 
+#if defined(OS_ANDROID)
 // Keeps track of currently open tabs collapsed state in the Other Devices menu.
 const char kNtpCollapsedCurrentlyOpenTabs[] = "ntp.collapsed_open_tabs";
+#endif
 
 // Keeps track of which sessions are collapsed in the Other Devices menu.
 const char kNtpCollapsedForeignSessions[] = "ntp.collapsed_foreign_sessions";
 
+#if defined(OS_ANDROID)
 // Keeps track of recently closed tabs collapsed state in the Other Devices
 // menu.
 const char kNtpCollapsedRecentlyClosedTabs[] =
     "ntp.collapsed_recently_closed_tabs";
 
 // Keeps track of snapshot documents collapsed state in the Other Devices menu.
 const char kNtpCollapsedSnapshotDocument[] = "ntp.collapsed_snapshot_document";
 
 // Keeps track of sync promo collapsed state in the Other Devices menu.
 const char kNtpCollapsedSyncPromo[] = "ntp.collapsed_sync_promo";
-
-// Serves dates to determine display of elements on the NTP.
-const char kNtpDateResourceServer[] = "ntp.date_resource_server";
+#endif
 
 // New Tab Page URLs that should not be shown as most visited thumbnails.
 const char kNtpMostVisitedURLsBlacklist[] = "ntp.most_visited_blacklist";
 
-// True if a desktop sync session was found for this user.
-const char kNtpPromoDesktopSessionFound[] = "ntp.promo_desktop_session_found";
-
-// Which bookmarks folder should be visible on the new tab page v4.
-const char kNtpShownBookmarksFolder[] = "ntp.shown_bookmarks_folder";
-
 // Which page should be visible on the new tab page v4
 const char kNtpShownPage[] = "ntp.shown_page";
 
-// Serves tips for the NTP.
-const char kNtpTipsResourceServer[] = "ntp.tips_resource_server";
-
-// Boolean indicating whether the web store is active for the current locale.
-const char kNtpWebStoreEnabled[] = "ntp.webstore_enabled";
-
 // A private RSA key for ADB handshake.
 const char kDevToolsAdbKey[] = "devtools.adb_key";
 
 const char kDevToolsDisabled[] = "devtools.disabled";
 
 // Determines whether devtools should be discovering usb devices for
 // remote debugging at chrome://inspect.
 const char kDevToolsDiscoverUsbDevicesEnabled[] =
     "devtools.discover_usb_devices";
 
 // Maps of files edited locally using DevTools.
 const char kDevToolsEditedFiles[] = "devtools.edited_files";
 
 // List of file system paths added in DevTools.
 const char kDevToolsFileSystemPaths[] = "devtools.file_system_paths";
 
-// A boolean specifying whether dev tools window should be opened docked.
-const char kDevToolsOpenDocked[] = "devtools.open_docked";
-
 // A boolean specifying whether port forwarding should be enabled.
 const char kDevToolsPortForwardingEnabled[] =
     "devtools.port_forwarding_enabled";
 
 // A boolean specifying whether default port forwarding configuration has been
 // set.
 const char kDevToolsPortForwardingDefaultSet[] =
     "devtools.port_forwarding_default_set";
 
 // A dictionary of port->location pairs for port forwarding.
@@ skipping 68 matching lines @@
 // The salt used for creating random MediaSource IDs.
 const char kMediaDeviceIdSalt[] = "media.device_id_salt";
 
 // The last used printer and its settings.
 const char kPrintPreviewStickySettings[] =
     "printing.print_preview_sticky_settings";
 
 // The last requested size of the dialog as it was closed.
 const char kCloudPrintDialogWidth[] = "cloud_print.dialog_size.width";
 const char kCloudPrintDialogHeight[] = "cloud_print.dialog_size.height";
-const char kCloudPrintSigninDialogWidth[] =
-    "cloud_print.signin_dialog_size.width";
-const char kCloudPrintSigninDialogHeight[] =
-    "cloud_print.signin_dialog_size.height";
 
 // The list of BackgroundContents that should be loaded when the browser
 // launches.
 const char kRegisteredBackgroundContents[] = "background_contents.registered";
 
-#if !defined(OS_ANDROID)
+#if defined(OS_WIN)
 // An int that stores how often we've shown the "Chrome is configured to
 // auto-launch" infobar.
 const char kShownAutoLaunchInfobar[] = "browser.shown_autolaunch_infobar";
 #endif
 
 // String that lists supported HTTP authentication schemes.
 const char kAuthSchemes[] = "auth.schemes";
 
 // Boolean that specifies whether to disable CNAME lookups when generating
 // Kerberos SPN.
@@ skipping 266 matching lines @@
 
 // *************** SERVICE PREFS ***************
 // These are attached to the service process.
 
 const char kCloudPrintRoot[] = "cloud_print";
 const char kCloudPrintProxyEnabled[] = "cloud_print.enabled";
 // The unique id for this instance of the cloud print proxy.
 const char kCloudPrintProxyId[] = "cloud_print.proxy_id";
 // The GAIA auth token for Cloud Print
 const char kCloudPrintAuthToken[] = "cloud_print.auth_token";
-// The GAIA auth token used by Cloud Print to authenticate with the XMPP server
-// This should eventually go away because the above token should work for both.
-const char kCloudPrintXMPPAuthToken[] = "cloud_print.xmpp_auth_token";
 // The email address of the account used to authenticate with the Cloud Print
 // server.
 const char kCloudPrintEmail[] = "cloud_print.email";
 // Settings specific to underlying print system.
 const char kCloudPrintPrintSystemSettings[] =
     "cloud_print.print_system_settings";
 // A boolean indicating whether we should poll for print jobs when don't have
 // an XMPP connection (false by default).
 const char kCloudPrintEnableJobPoll[] = "cloud_print.enable_job_poll";
 const char kCloudPrintRobotRefreshToken[] = "cloud_print.robot_refresh_token";
@@ skipping 147 matching lines @@
 const char kOverscrollMinimumThresholdStartTouchpad[] =
     "overscroll.minimum_threshold_start_touchpad";
 const char kOverscrollVerticalThresholdStart[] =
     "overscroll.vertical_threshold_start";
 const char kOverscrollHorizontalResistThreshold[] =
     "overscroll.horizontal_resist_threshold";
 const char kOverscrollVerticalResistThreshold[] =
     "overscroll.vertical_resist_threshold";
 #endif
 
+#if defined(OS_WIN)
 // Counts how many more times the 'profile on a network share' warning should be
 // shown to the user before the next silence period.
 const char kNetworkProfileWarningsLeft[] = "network_profile.warnings_left";
 // Tracks the time of the last shown warning. Used to reset
 // |network_profile.warnings_left| after a silence period.
 const char kNetworkProfileLastWarningTime[] =
     "network_profile.last_warning_time";
+#endif
 
 #if defined(OS_CHROMEOS)
 // The RLZ brand code, if enabled.
 const char kRLZBrand[] = "rlz.brand";
 // Whether RLZ pings are disabled.
 const char kRLZDisabled[] = "rlz.disabled";
 #endif
 
 #if defined(ENABLE_APP_LIST)
 // The directory in user data dir that contains the profile to be used with the
@@ skipping 17 matching lines @@
 // An enum indicating how the app launcher was enabled. E.g., via webstore, app
 // install, command line, etc. For UMA.
 const char kAppListEnableMethod[] = "app_list.how_enabled";
 
 // The time that the app launcher was enabled. Cleared when UMA is recorded.
 const char kAppListEnableTime[] = "app_list.when_enabled";
 
 // The last time the app list was launched.
 const char kAppListLastLaunchTime[] = "app_list.last_launch";
 
+#if defined(OS_MACOSX)
 // Integer representing the version of the app launcher shortcut installed on
 // the system. Incremented, e.g., when embedded icons change.
 const char kAppLauncherShortcutVersion[] = "apps.app_launcher.shortcut_version";
+#endif
 
 // A boolean identifying if we should show the app launcher promo or not.
 const char kShowAppLauncherPromo[] = "app_launcher.show_promo";
 
 // A dictionary that tracks the Drive app to Chrome app mapping. The key is
 // a Drive app id and the value is the corresponding Chrome app id. The pref
 // is unsynable and used to track local mappings only.
 const char kAppLauncherDriveAppMapping[] =
     "apps.app_launcher.drive_app_mapping";
 
 // A list of Drive app ids that tracks the uninstallable Drive apps.
 const char kAppLauncherUninstalledDriveApps[] =
     "apps.app_launcher.uninstalled_drive_apps";
-#endif
+#endif  // defined(ENABLE_APP_LIST)
 
+#if defined(OS_WIN)
 // If set, the user requested to launch the app with this extension id while
 // in Metro mode, and then relaunched to Desktop mode to start it.
 const char kAppLaunchForMetroRestart[] = "apps.app_launch_for_metro_restart";
 
 // Set with |kAppLaunchForMetroRestart|, the profile whose loading triggers
 // launch of the specified app when restarting Chrome in desktop mode.
 const char kAppLaunchForMetroRestartProfile[] =
     "apps.app_launch_for_metro_restart_profile";
+#endif
 
 // An integer that is incremented whenever changes are made to app shortcuts.
 // Increasing this causes all app shortcuts to be recreated.
 const char kAppShortcutsVersion[] = "apps.shortcuts_version";
 
 // How often the bubble has been shown.
 const char kModuleConflictBubbleShown[] = "module_conflict.bubble_shown";
 
 // A string pref for storing the salt used to compute the pepper device ID.
 const char kDRMSalt[] = "settings.privacy.drm_salt";
@@ skipping 54 matching lines @@
 // (name and a list of clients that registered the whitelist).
 const char kRegisteredSupervisedUserWhitelists[] =
     "supervised_users.whitelists";
 
 #if defined(ENABLE_EXTENSIONS)
 // Policy that indicates how to handle animated images.
 const char kAnimationPolicy[] = "settings.a11y.animation_policy";
 #endif
 
 }  // namespace prefs