Remove the extension QuotaService::SustainedLimit and its last client, the

extensions/browser/api/storage/storage_api.cc

 // 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.
 
 #include "extensions/browser/api/storage/storage_api.h"
 
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 140 matching lines @@
 void GetModificationQuotaLimitHeuristics(QuotaLimitHeuristics* heuristics) {
   QuotaLimitHeuristic::Config longLimitConfig = {
     // See storage.json for current value.
     core_api::storage::sync::MAX_WRITE_OPERATIONS_PER_HOUR,
     base::TimeDelta::FromHours(1)
   };
   heuristics->push_back(new QuotaService::TimedLimit(
       longLimitConfig,
       new QuotaLimitHeuristic::SingletonBucketMapper(),
       "MAX_WRITE_OPERATIONS_PER_HOUR"));
-
-  // A max of 10 operations per minute, sustained over 10 minutes.
-  QuotaLimitHeuristic::Config shortLimitConfig = {
-    // See storage.json for current value.
-    core_api::storage::sync::MAX_SUSTAINED_WRITE_OPERATIONS_PER_MINUTE,
-    base::TimeDelta::FromMinutes(1)
-  };
-  heuristics->push_back(new QuotaService::SustainedLimit(
-      base::TimeDelta::FromMinutes(10),
-      shortLimitConfig,
-      new QuotaLimitHeuristic::SingletonBucketMapper(),
-      "MAX_SUSTAINED_WRITE_OPERATIONS_PER_MINUTE"));
 };
 
 }  // namespace
 
 ExtensionFunction::ResponseValue StorageStorageAreaGetFunction::RunWithStorage(
     ValueStore* storage) {
   base::Value* input = NULL;
   if (!args_->Get(0, &input))
     return BadMessage();
 
@@ skipping 117 matching lines @@
 StorageStorageAreaClearFunction::RunWithStorage(ValueStore* storage) {
   return UseWriteResult(storage->Clear(), storage);
 }
 
 void StorageStorageAreaClearFunction::GetQuotaLimitHeuristics(
     QuotaLimitHeuristics* heuristics) const {
   GetModificationQuotaLimitHeuristics(heuristics);
 }
 
 }  // namespace extensions