Add GetExpirationTimes() to HttpResponseHeader.

net/http/http_response_headers_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 <algorithm>
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/pickle.h"
 #include "base/time/time.h"
@@ skipping 849 matching lines @@
   base::Time::FromString("Wed, 28 Nov 2007 00:40:12 GMT", &response_time);
   base::Time::FromString("Wed, 28 Nov 2007 00:45:20 GMT", &current_time);
 
   for (size_t i = 0; i < ARRAYSIZE_UNSAFE(tests); ++i) {
     std::string headers(tests[i].headers);
     HeadersToRaw(&headers);
     scoped_refptr<net::HttpResponseHeaders> parsed(
         new net::HttpResponseHeaders(headers));
 
     bool requires_validation =
-        parsed->RequiresValidation(request_time, response_time, current_time);
+        parsed->GetFreshnessExpiry(request_time, response_time) <= current_time;
     EXPECT_EQ(tests[i].requires_validation, requires_validation);
   }
 }
 
 TEST(HttpResponseHeadersTest, Update) {
   const struct {
     const char* orig_headers;
     const char* new_headers;
     const char* expected_headers;
   } tests[] = {
@@ skipping 1228 matching lines @@
   for (size_t i = 0; i < ARRAYSIZE_UNSAFE(tests); ++i) {
     std::string headers(tests[i].headers);
     HeadersToRaw(&headers);
     scoped_refptr<net::HttpResponseHeaders> parsed(
         new net::HttpResponseHeaders(headers));
 
     EXPECT_EQ(tests[i].expected_result, parsed->IsChromeProxyResponse());
   }
 }
 #endif  // defined(SPDY_PROXY_AUTH_ORIGIN)