Correctly record and pass around navigation start time.

components/web_view/url_request_cloneable.h

Index: components/web_view/url_request_cloneable.h
diff --git a/components/web_view/url_request_cloneable.h b/components/web_view/url_request_cloneable.h
index b8b3c3d0b2ffc23546314229285905df5803aa97..18f3b3e9f37d1c602635eeac109129a9752a25bc 100644
--- a/components/web_view/url_request_cloneable.h
+++ b/components/web_view/url_request_cloneable.h
@@ -9,6 +9,7 @@
 #include <vector>
 
 #include "base/basictypes.h"
+#include "base/time/time.h"
 #include "mojo/services/network/public/interfaces/url_loader.mojom.h"
 #include "url/gurl.h"
 
@@ -28,6 +29,11 @@ class URLRequestCloneable {
   // Creates a new URLRequest.
   mojo::URLRequestPtr Clone() const;
 
+  base::TimeTicks originating_time() const { return originating_time_; }
+  void set_originating_time(base::TimeTicks value) {
+    originating_time_ = value;
+  }
+
  private:
   // All of these are straight from mojo::URLRequest.
   mojo::String url_;
@@ -47,6 +53,8 @@ class URLRequestCloneable {
   // AsURLRequest() is called.
   std::vector<std::string> body_;
 
+  base::TimeTicks originating_time_;
+
   DISALLOW_COPY_AND_ASSIGN(URLRequestCloneable);
 };