Pulled out Callback code into base/callback.h. This is the first step towards redoing the Callback interfaces.
Added and removed includes as needed.
BUG=35223
TEST=trybots
Review URL: http://codereview.chromium.org/646061
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@39419 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/net/http/http_transaction_unittest.h b/net/http/http_transaction_unittest.h
index cffde7a..a884a07 100644
--- a/net/http/http_transaction_unittest.h
+++ b/net/http/http_transaction_unittest.h
@@ -10,6 +10,7 @@
#include <algorithm>
#include <string>
+#include "base/callback.h"
#include "base/compiler_specific.h"
#include "base/message_loop.h"
#include "base/string_util.h"
