(DEPRECATED) Send navigation_start to browser process in DidStartProvisionalLoad

content/child/request_extra_data.h

Index: content/child/request_extra_data.h
diff --git a/content/child/request_extra_data.h b/content/child/request_extra_data.h
index 37988d54dc570db7ecf3cd0aea92a890ccfe0159..44ad192e95921e9d6bac8606993177e1096b5ebf 100644
--- a/content/child/request_extra_data.h
+++ b/content/child/request_extra_data.h
@@ -6,6 +6,7 @@
 #define CONTENT_CHILD_REQUEST_EXTRA_DATA_H_
 
 #include "base/compiler_specific.h"
+#include "base/time/time.h"
 #include "content/child/web_url_loader_impl.h"
 #include "content/common/content_export.h"
 #include "content/common/navigation_params.h"
@@ -93,6 +94,13 @@ class CONTENT_EXPORT RequestExtraData
   void set_lofi_state(LoFiState lofi_state) {
     lofi_state_ = lofi_state;
   }
+  const base::TimeTicks& browser_navigation_start() const {
+    return browser_navigation_start_;
+  }
+  void set_browser_navigation_start(
+      const base::TimeTicks& browser_navigation_start) {
+    browser_navigation_start_ = browser_navigation_start;
+  }
   // |custom_user_agent| is used to communicate an overriding custom user agent
   // to |RenderViewImpl::willSendRequest()|; set to a null string to indicate no
   // override and an empty string to indicate that there should be no user
@@ -138,6 +146,7 @@ class CONTENT_EXPORT RequestExtraData
   blink::WebString requested_with_;
   scoped_ptr<StreamOverrideParameters> stream_override_;
   LoFiState lofi_state_;
+  base::TimeTicks browser_navigation_start_;
 
   DISALLOW_COPY_AND_ASSIGN(RequestExtraData);
 };