Http cache: Add support for a dedicated cache thread.

This is an interface-only change, nothing is really moving to another thread yet.

BUG=26730
TEST=none


Review URL: http://codereview.chromium.org/983007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@45974 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 11 insertions, 0 deletions

diff --git a/net/http/http_cache.cc b/net/http/http_cache.cc
index 2cb4fa1..7c433a9 100644
--- a/net/http/http_cache.cc
+++ b/net/http/http_cache.cc
@@ -201,8 +201,10 @@ HttpCache::HttpCache(NetworkChangeNotifier* network_change_notifier,
                      SSLConfigService* ssl_config_service,
                      HttpAuthHandlerFactory* http_auth_handler_factory,
                      const FilePath& cache_dir,
+                     MessageLoop* cache_thread,
                      int cache_size)
     : disk_cache_dir_(cache_dir),
+      cache_thread_(cache_thread),
       mode_(NORMAL),
       type_(DISK_CACHE),
       network_layer_(HttpNetworkLayer::CreateFactory(
@@ -215,8 +217,10 @@ HttpCache::HttpCache(NetworkChangeNotifier* network_change_notifier,
 
 HttpCache::HttpCache(HttpNetworkSession* session,
                      const FilePath& cache_dir,
+                     MessageLoop* cache_thread,
                      int cache_size)
     : disk_cache_dir_(cache_dir),
+      cache_thread_(cache_thread),
       mode_(NORMAL),
       type_(DISK_CACHE),
       network_layer_(HttpNetworkLayer::CreateFactory(session)),
@@ -289,6 +293,13 @@ disk_cache::Backend* HttpCache::GetBackend() {
   return disk_cache_.get();
 }
 
+int HttpCache::GetBackend(disk_cache::Backend** backend,
+                          CompletionCallback* callback) {
+  DCHECK(callback != NULL);
+  *backend = GetBackend();
+  return OK;
+}
+
 int HttpCache::CreateTransaction(scoped_ptr<HttpTransaction>* trans) {
   // Do lazy initialization of disk cache if needed.
   GetBackend();