Reserve 100 ids for webrtc use in its finch experiments.

chrome/common/variations/variation_ids.h

 // Copyright 2014 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.
 
 #ifndef CHROME_COMMON_VARIATIONS_VARIATION_IDS_H_
 #define CHROME_COMMON_VARIATIONS_VARIATION_IDS_H_
 
 namespace chrome_variations {
 
 // A list of Chrome Variation IDs. These IDs are associated with FieldTrials
@@ skipping 317 matching lines @@
   // Instant search clicks field trial.
   INSTANT_SEARCH_CLICKS_FIELD_TRIAL_ID_MIN = 3312322,
   INSTANT_SEARCH_CLICKS_FIELD_TRIAL_ID_MAX = 3312371,
 
   // iOS Phone modal dialog field trial.
   IOS_PHONE_NTP_MODAL_DIALOG_ENABLED_1 = 3312374,
   IOS_PHONE_NTP_MODAL_DIALOG_ENABLED_2 = 3312375,
   IOS_PHONE_NTP_MODAL_DIALOG_CONTROL_1 = 3312376,
   IOS_PHONE_NTP_MODAL_DIALOG_CONTROL_2 = 3312377,
 
+  // Field trials can be queried directly from webrtc via webrtc::field_trial.
+  // Thus new trials are added without explicit CLs in chromium repository.
+  // This is the range of ids reserved for those trials.
+  WEBRTC_FIELD_TRIAL_RANGE_ID_MIN = 3312378,
+  WEBRTC_FIELD_TRIAL_RANGE_ID_MAX = 3312477,
+
   // NEXT ID: When adding new IDs, please add them above this section, starting
   // with the value of NEXT_ID, and updating NEXT_ID to (end of your reserved
   // range) + 1.
-  NEXT_ID = 3312378,
+  NEXT_ID = 3312478,
 
   // USABLE IDs END HERE.
   //
   // The largest possible Chrome variation ID in the reserved range. When
   // defining your variation IDs, DO NOT exceed this value - GWS will ignore
   // your experiment!
   MAXIMUM_ID = 3399999,
 };
 
 }  // namespace chrome_variations
 
 #endif  // CHROME_COMMON_VARIATIONS_VARIATION_IDS_H_