IndexedDB: Optimize range deletion operations (e.g. clearing a store)

content/test/BUILD.gn

 # 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.
 
 import("//build/config/chrome_build.gni")
 import("//build/config/chromecast_build.gni")
 import("//build/config/compiler/compiler.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
@@ skipping 1101 matching lines @@
     "../browser/indexed_db/indexed_db_backing_store_unittest.cc",
     "../browser/indexed_db/indexed_db_cleanup_on_io_error_unittest.cc",
     "../browser/indexed_db/indexed_db_database_unittest.cc",
     "../browser/indexed_db/indexed_db_factory_unittest.cc",
     "../browser/indexed_db/indexed_db_fake_backing_store.cc",
     "../browser/indexed_db/indexed_db_fake_backing_store.h",
     "../browser/indexed_db/indexed_db_leveldb_coding_unittest.cc",
     "../browser/indexed_db/indexed_db_quota_client_unittest.cc",
     "../browser/indexed_db/indexed_db_transaction_unittest.cc",
     "../browser/indexed_db/indexed_db_unittest.cc",
+    "../browser/indexed_db/leveldb/leveldb_transaction_unittest.cc",
     "../browser/indexed_db/leveldb/leveldb_unittest.cc",
     "../browser/indexed_db/leveldb/mock_leveldb_factory.cc",
     "../browser/indexed_db/leveldb/mock_leveldb_factory.h",
     "../browser/indexed_db/list_set_unittest.cc",
     "../browser/indexed_db/mock_indexed_db_callbacks.cc",
     "../browser/indexed_db/mock_indexed_db_callbacks.h",
     "../browser/indexed_db/mock_indexed_db_database_callbacks.cc",
     "../browser/indexed_db/mock_indexed_db_database_callbacks.h",
     "../browser/indexed_db/mock_indexed_db_factory.cc",
     "../browser/indexed_db/mock_indexed_db_factory.h",
@@ skipping 691 matching lines @@
   if (is_android) {
     deps += [ "//testing/android/native_test:native_test_native_code" ]
   }
 }
 
 group("fuzzers") {
   deps = [
     "//content/test/fuzzer",
   ]
 }