Hooked up NetLog to DownloadItem, DownloadFile, and FileStream.

content/browser/renderer_host/resource_dispatcher_host.cc

Index: content/browser/renderer_host/resource_dispatcher_host.cc
diff --git a/content/browser/renderer_host/resource_dispatcher_host.cc b/content/browser/renderer_host/resource_dispatcher_host.cc
index d915806d302b3dcf87634bac2f52792debf74718..102d4a4f02bf2f30fde85dae33d4f74128a48c1d 100644
--- a/content/browser/renderer_host/resource_dispatcher_host.cc
+++ b/content/browser/renderer_host/resource_dispatcher_host.cc
@@ -27,6 +27,7 @@
 #include "content/browser/chrome_blob_storage_context.h"
 #include "content/browser/cross_site_request_manager.h"
 #include "content/browser/download/download_file_manager.h"
+#include "content/browser/download/download_net_log_parameters.h"
 #include "content/browser/download/download_resource_handler.h"
 #include "content/browser/download/save_file_manager.h"
 #include "content/browser/download/save_file_resource_handler.h"
@@ -65,6 +66,7 @@
 #include "net/base/load_flags.h"
 #include "net/base/mime_util.h"
 #include "net/base/net_errors.h"
+#include "net/base/net_log.h"
 #include "net/base/registry_controlled_domain.h"
 #include "net/base/request_priority.h"
 #include "net/base/ssl_cert_request_info.h"
@@ -909,12 +911,17 @@ net::Error ResourceDispatcherHost::BeginDownload(
 
   request_id_--;
 
+  net::BoundNetLog bound_net_log =
+      net::BoundNetLog::Make(request->net_log().net_log(),
+                             net::NetLog::SOURCE_DOWNLOAD);

[mmenke, 2012/02/06 17:46:37]

Might want to move this into DownloadResourceHandler's constructor.  That's
generally where BoundNetLogs are built, anyways, and this file is big enough
as-is.

[ahendrickson, 2012/02/06 23:03:45]

Good idea.  Done.

+
   scoped_refptr<ResourceHandler> handler(
       new DownloadResourceHandler(this,
                                   child_id,
                                   route_id,
                                   request_id_,
                                   url,
+                                  bound_net_log,
                                   download_file_manager_.get(),
                                   request.get(),
                                   started_cb,