DevTools: Make network events continuous on Timeline

content/child/resource_dispatcher.cc

Index: content/child/resource_dispatcher.cc
diff --git a/content/child/resource_dispatcher.cc b/content/child/resource_dispatcher.cc
index f9eae9aa6f43db5cd7cf638afa9a0af6fbace516..3a36fe783dd60d526e14193a979afa8d7f7e1c99 100644
--- a/content/child/resource_dispatcher.cc
+++ b/content/child/resource_dispatcher.cc
@@ -150,7 +150,8 @@ void ResourceDispatcher::OnUploadProgress(int request_id, int64 position,
 
 void ResourceDispatcher::OnReceivedResponse(
     int request_id, const ResourceResponseHead& response_head) {
-  TRACE_EVENT0("loader", "ResourceDispatcher::OnReceivedResponse");
+  TRACE_EVENT0("loader,devtools.timeline",
+               "ResourceDispatcher::OnReceivedResponse");

[caseq, 2015/11/06 19:37:47]

If we start exposing this in devtools trace, can we name this in a more stable
manner, i.e. independent on class/name method.

[alph, 2015/11/06 21:04:51]

We can't change this name as it seems to be used elsewhere. And I don't think
it's feasible to introduce another event just for DevTools purposes.

   PendingRequestInfo* request_info = GetPendingRequestInfo(request_id);
   if (!request_info)
     return;
@@ -226,7 +227,8 @@ void ResourceDispatcher::OnReceivedData(int request_id,
                                         int data_offset,
                                         int data_length,
                                         int encoded_data_length) {
-  TRACE_EVENT0("loader", "ResourceDispatcher::OnReceivedData");
+  TRACE_EVENT0("loader,devtools.timeline",
+               "ResourceDispatcher::OnReceivedData");
   DCHECK_GT(data_length, 0);
   PendingRequestInfo* request_info = GetPendingRequestInfo(request_id);
   bool send_ack = true;
@@ -347,7 +349,8 @@ void ResourceDispatcher::FollowPendingRedirect(
 void ResourceDispatcher::OnRequestComplete(
     int request_id,
     const ResourceMsg_RequestCompleteData& request_complete_data) {
-  TRACE_EVENT0("loader", "ResourceDispatcher::OnRequestComplete");
+  TRACE_EVENT0("loader,devtools.timeline",
+               "ResourceDispatcher::OnRequestComplete");
 
   PendingRequestInfo* request_info = GetPendingRequestInfo(request_id);
   if (!request_info)