Added URLRequestContext to constructor for URLRequest.

net/url_request/url_request_throttler_simulation_unittest.cc

Index: net/url_request/url_request_throttler_simulation_unittest.cc
diff --git a/net/url_request/url_request_throttler_simulation_unittest.cc b/net/url_request/url_request_throttler_simulation_unittest.cc
index b13e67c0d62776c0474378e6de00fa219f9e2e3b..e2a113d49fe8828b9a907301e9d3657e3a9fbc28 100644
--- a/net/url_request/url_request_throttler_simulation_unittest.cc
+++ b/net/url_request/url_request_throttler_simulation_unittest.cc
@@ -124,7 +124,7 @@ class Server : public DiscreteTimeSimulation::Actor {
         num_current_tick_queries_(0),
         num_overloaded_ticks_(0),
         max_experienced_queries_per_tick_(0),
-        mock_request_(GURL(), NULL) {
+        mock_request_(GURL(), NULL, &context_) {
   }
 
   void SetDowntime(const TimeTicks& start_time, const TimeDelta& duration) {
@@ -287,6 +287,9 @@ class Server : public DiscreteTimeSimulation::Actor {
   int num_overloaded_ticks_;
   int max_experienced_queries_per_tick_;
   std::vector<int> requests_per_tick_;
+
+  // context_ must be declared before mock_request_.
+  TestURLRequestContext context_;
   TestURLRequest mock_request_;
 
   DISALLOW_COPY_AND_ASSIGN(Server);