Don't preload rarely seen large images
[chromium-blink-merge.git] / components / url_matcher / url_matcher_helpers.cc
blob6eab51d65ca00968a9cf34a5df4158160d958a34
1 // Copyright 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #include "components/url_matcher/url_matcher_helpers.h"
7 #include "base/values.h"
9 namespace url_matcher {
10 namespace url_matcher_helpers {
12 // Converts a ValueList |value| of strings into a vector. Returns true if
13 // successful.
14 bool GetAsStringVector(const base::Value* value,
15 std::vector<std::string>* out) {
16 const base::ListValue* value_as_list = 0;
17 if (!value->GetAsList(&value_as_list))
18 return false;
20 size_t number_types = value_as_list->GetSize();
21 for (size_t i = 0; i < number_types; ++i) {
22 std::string item;
23 if (!value_as_list->GetString(i, &item))
24 return false;
25 out->push_back(item);
27 return true;
30 } // namespace url_matcher_helpers
31 } // namespace url_matcher