[Extensions] Remove unused parts of the preferencesPrivate API

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/pref_font_webkit_names.h"
 
@@ skipping 1559 matching lines @@
 // Create web application shortcut dialog preferences.
 const char kWebAppCreateOnDesktop[] = "browser.web_app.create_on_desktop";
 const char kWebAppCreateInAppsMenu[] = "browser.web_app.create_in_apps_menu";
 const char kWebAppCreateInQuickLaunchBar[] =
     "browser.web_app.create_in_quick_launch_bar";
 
 // Dictionary that maps Geolocation network provider server URLs to
 // corresponding access token.
 const char kGeolocationAccessToken[] = "geolocation.access_token";
 
-#if BUILDFLAG(ENABLE_GOOGLE_NOW)
-// Boolean that is true when Google services can use the user's location.
-const char kGoogleGeolocationAccessEnabled[] =
-    "googlegeolocationaccess.enabled";
-#endif
-
 // Boolean that specifies whether to enable the Google Now Launcher extension.
 // Note: This is not the notifications component gated by ENABLE_GOOGLE_NOW.
 const char kGoogleNowLauncherEnabled[] = "google_now_launcher.enabled";
 
 // The default audio capture device used by the Media content setting.
 const char kDefaultAudioCaptureDevice[] = "media.default_audio_capture_device";
 
 // The default video capture device used by the Media content setting.
 const char kDefaultVideoCaptureDevice[] = "media.default_video_capture_Device";
 
@@ skipping 583 matching lines @@
 const char kMediaRouterEnableCloudServices[] =
     "media_router.cloudservices.enabled";
 #endif  // defined(GOOGLE_CHROME_BUILD)
 // Whether or not the Media Router first run flow has been acknowledged by the
 // user.
 const char kMediaRouterFirstRunFlowAcknowledged[] =
     "media_router.firstrunflow.acknowledged";
 #endif
 
 }  // namespace prefs