Remove X-Retry-After support.

net/url_request/url_request_throttler_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/url_request/url_request_throttler_manager.h"
 
 #include "base/memory/scoped_ptr.h"
 #include "base/metrics/histogram.h"
 #include "base/pickle.h"
 #include "base/stringprintf.h"
@@ skipping 162 matching lines @@
   TimeTicks now_;
   MockURLRequestThrottlerManager manager_;  // Dummy object, not used.
   scoped_refptr<MockURLRequestThrottlerEntry> entry_;
 
   std::map<std::string, Histogram::SampleSet> original_samples_;
   std::map<std::string, Histogram::SampleSet> samples_;
 };
 
 // List of all histograms we care about in these unit tests.
 const char* kHistogramNames[] = {
-  "Throttling.CustomRetryAfterMs",
   "Throttling.FailureCountAtSuccess",
   "Throttling.PerceivedDowntime",
   "Throttling.RequestThrottled",
   "Throttling.SiteOptedOut",
 };
 
 void URLRequestThrottlerEntryTest::SetUp() {
   now_ = TimeTicks::Now();
   entry_ = new MockURLRequestThrottlerEntry(&manager_);
   entry_->ResetToBlank(now_);
@@ skipping 54 matching lines @@
   EXPECT_FALSE(entry_->ShouldRejectRequest(0));
   entry_->set_exponential_backoff_release_time(
       entry_->fake_time_now_ - TimeDelta::FromMilliseconds(1));
   EXPECT_FALSE(entry_->ShouldRejectRequest(0));
 
   CalculateHistogramDeltas();
   ASSERT_EQ(2, samples_["Throttling.RequestThrottled"].counts(0));
   ASSERT_EQ(0, samples_["Throttling.RequestThrottled"].counts(1));
 }
 
-TEST_F(URLRequestThrottlerEntryTest, InterfaceUpdateRetryAfter) {
-  // If the response we received has a retry-after field,
-  // the request should be delayed.
-  MockURLRequestThrottlerHeaderAdapter header_w_delay_header("5.5", "", 200);
-  entry_->UpdateWithResponse("", &header_w_delay_header);
-  EXPECT_GT(entry_->GetExponentialBackoffReleaseTime(), entry_->fake_time_now_)
-      << "When the server put a positive value in retry-after we should "
-         "increase release_time";
-
-  entry_->ResetToBlank(now_);
-  MockURLRequestThrottlerHeaderAdapter header_w_negative_header(
-      "-5.5", "", 200);
-  entry_->UpdateWithResponse("", &header_w_negative_header);
-  EXPECT_EQ(entry_->GetExponentialBackoffReleaseTime(), entry_->fake_time_now_)
-      << "When given a negative value, it should not change the release_time";
-
-  CalculateHistogramDeltas();
-  ASSERT_EQ(1, samples_["Throttling.CustomRetryAfterMs"].TotalCount());
-}
-
 TEST_F(URLRequestThrottlerEntryTest, InterfaceUpdateFailure) {
   MockURLRequestThrottlerHeaderAdapter failure_response(503);
   entry_->UpdateWithResponse("", &failure_response);
   EXPECT_GT(entry_->GetExponentialBackoffReleaseTime(), entry_->fake_time_now_)
       << "A failure should increase the release_time";
 }
 
 TEST_F(URLRequestThrottlerEntryTest, InterfaceUpdateSuccess) {
   MockURLRequestThrottlerHeaderAdapter success_response(200);
   entry_->UpdateWithResponse("", &success_response);
@@ skipping 251 matching lines @@
         FAIL();
     }
 
     scoped_refptr<net::URLRequestThrottlerEntryInterface> entry_after =
         manager.RegisterRequestUrl(GURL("http://www.example.com/"));
     EXPECT_FALSE(entry_after->ShouldRejectRequest(0));
   }
 }
 
 }  // namespace net