Adding histograms showing fraction of page load times

net/url_request/url_request_http_job.h

Index: net/url_request/url_request_http_job.h
===================================================================
--- net/url_request/url_request_http_job.h	(revision 148459)
+++ net/url_request/url_request_http_job.h	(working copy)
@@ -142,6 +142,7 @@
   typedef base::RefCountedData<bool> SharedBoolean;
 
   class HttpFilterContext;
+  class HttpTransactionDelegateImpl;
 
   virtual ~URLRequestHttpJob();
 
@@ -187,6 +188,8 @@
   // overridden by |override_response_headers_|.
   HttpResponseHeaders* GetResponseHeaders() const;
 
+  virtual void OnDetachRequest() OVERRIDE;

[rvargas (doing something else), 2012/07/26 18:47:33]

nit: add a comment that this comes from URLRequestJob private interface. 

[tburkard, 2012/07/26 19:12:49]

Done.

+
   base::Time request_creation_time_;
 
   // Data used for statistics gathering. This data is only used for histograms
@@ -234,6 +237,8 @@
   // to inform the NetworkDelegate that it may not call back.
   bool awaiting_callback_;
 
+  scoped_ptr<HttpTransactionDelegateImpl> http_transaction_delegate_;
+
   DISALLOW_COPY_AND_ASSIGN(URLRequestHttpJob);
 };