Framework for indexing of subresource filtering rules.

chrome/browser/browser_process_impl.cc

Index: chrome/browser/browser_process_impl.cc
diff --git a/chrome/browser/browser_process_impl.cc b/chrome/browser/browser_process_impl.cc
index aadf06ee52bc9c01969c3b6cdfcc6130ddcfa00e..ac2c1409429161f843e2f464cf96629e6dbd9b6f 100644
--- a/chrome/browser/browser_process_impl.cc
+++ b/chrome/browser/browser_process_impl.cc
@@ -1155,10 +1155,12 @@ void BrowserProcessImpl::CreateSubresourceFilterRulesetService() {
 
   base::FilePath user_data_dir;
   PathService::Get(chrome::DIR_USER_DATA, &user_data_dir);
+  base::FilePath indexed_ruleset_base_dir =
+      user_data_dir.Append(subresource_filter::kTopLevelDirectoryName)
+          .Append(subresource_filter::kIndexedRulesetBaseDirectoryName);
   subresource_filter_ruleset_service_.reset(
       new subresource_filter::RulesetService(
-          local_state(), blocking_task_runner,
-          user_data_dir.Append(subresource_filter::kRulesetBaseDirectoryName)));
+          local_state(), blocking_task_runner, indexed_ruleset_base_dir));
   subresource_filter_ruleset_service_->RegisterDistributor(
       base::WrapUnique(new subresource_filter::ContentRulesetDistributor));
 }