Add a "LoadLog*" parameter to transactions, hostresolver, clientsocketpool.

net/base/host_resolver.cc

Index: net/base/host_resolver.cc
===================================================================
--- net/base/host_resolver.cc	(revision 23124)
+++ net/base/host_resolver.cc	(working copy)
@@ -25,7 +25,8 @@
   }
 }
 
-int SingleRequestHostResolver::Resolve(const HostResolver::RequestInfo& info,
+int SingleRequestHostResolver::Resolve(LoadLog* load_log,
+                                       const HostResolver::RequestInfo& info,
                                        AddressList* addresses,
                                        CompletionCallback* callback) {
   DCHECK(!cur_request_ && !cur_request_callback_) << "resolver already in use";
@@ -36,7 +37,8 @@
   // we can clear out |cur_request_*|.
   CompletionCallback* transient_callback = callback ? &callback_ : NULL;
 
-  int rv = resolver_->Resolve(info, addresses, transient_callback, &request);
+  int rv = resolver_->Resolve(
+      load_log, info, addresses, transient_callback, &request);
 
   if (rv == ERR_IO_PENDING) {
     // Cleared in OnResolveCompletion().