Add a Rappor option in the settings page.

chrome/common/url_constants.h

 // 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.
 
 // Contains constants for known URLs and portions thereof.
 
 #ifndef CHROME_COMMON_URL_CONSTANTS_H_
 #define CHROME_COMMON_URL_CONSTANTS_H_
 
 #include <string>
@@ skipping 393 matching lines @@
 
 // "Learn more" URL for "Aw snap" page.
 extern const char kCrashReasonURL[];
 
 // "Learn more" URL for killed tab page.
 extern const char kKillReasonURL[];
 
 // "Learn more" URL for the Privacy section under Options.
 extern const char kPrivacyLearnMoreURL[];
 
+// Help URL for the Rappor setting.
+extern const char kRapporLearnMoreURL[];
+
 // "Learn more" URL for the "Do not track" setting in the privacy section.
 extern const char kDoNotTrackLearnMoreURL[];
 
 #if defined(OS_CHROMEOS)
 // These URLs are currently ChromeOS only.
 
 // "Learn more" URL for the attestation of content protection setting.
 extern const char kAttestationForContentProtectionLearnMoreURL[];
 
 // "Learn more" URL for the enhanced playback notification dialog.
@@ skipping 123 matching lines @@
 // The URL for the 32-bit Mac deprecation help center article
 extern const char kMac32BitDeprecationURL[];
 #endif
 
 // The URL for the "Learn more" link the the Easy Unlock settings.
 extern const char kEasyUnlockLearnMoreUrl[];
 
 }  // namespace chrome
 
 #endif  // CHROME_COMMON_URL_CONSTANTS_H_