Update from https://crrev.com/314320

net/http/http_cache.cc

Index: net/http/http_cache.cc
diff --git a/net/http/http_cache.cc b/net/http/http_cache.cc
index ed362003b00739ad4e4a542aee06a5740a03bd62..fb6f40c6c827e969400ba1c8ea912ffda8923639 100644
--- a/net/http/http_cache.cc
+++ b/net/http/http_cache.cc
@@ -211,7 +211,9 @@ class HttpCache::MetadataWriter {
   ~MetadataWriter() {}
 
   // Implements the bulk of HttpCache::WriteMetadata.
-  void Write(const GURL& url, base::Time expected_response_time, IOBuffer* buf,
+  void Write(const GURL& url,
+             double expected_response_time,
+             IOBuffer* buf,
              int buf_len);
 
  private:
@@ -223,14 +225,15 @@ class HttpCache::MetadataWriter {
   bool verified_;
   scoped_refptr<IOBuffer> buf_;
   int buf_len_;
-  base::Time expected_response_time_;
+  double expected_response_time_;
   HttpRequestInfo request_info_;
   DISALLOW_COPY_AND_ASSIGN(MetadataWriter);
 };
 
 void HttpCache::MetadataWriter::Write(const GURL& url,
-                                      base::Time expected_response_time,
-                                      IOBuffer* buf, int buf_len) {
+                                      double expected_response_time,
+                                      IOBuffer* buf,
+                                      int buf_len) {
   DCHECK_GT(buf_len, 0);
   DCHECK(buf);
   DCHECK(buf->data());
@@ -258,7 +261,7 @@ void HttpCache::MetadataWriter::VerifyResponse(int result) {
 
   const HttpResponseInfo* response_info = transaction_->GetResponseInfo();
   DCHECK(response_info->was_cached);
-  if (response_info->response_time != expected_response_time_)
+  if (response_info->response_time.ToDoubleT() != expected_response_time_)
     return SelfDestroy();
 
   result = transaction_->WriteMetadata(
@@ -576,7 +579,7 @@ bool HttpCache::ParseResponseInfo(const char* data, int len,
 
 void HttpCache::WriteMetadata(const GURL& url,
                               RequestPriority priority,
-                              base::Time expected_response_time,
+                              double expected_response_time,
                               IOBuffer* buf,
                               int buf_len) {
   if (!buf_len)