Add data reduction functionality to all platforms.

components/data_reduction_proxy/common/data_reduction_proxy_headers.cc

 // Copyright 2014 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 "components/data_reduction_proxy/common/data_reduction_proxy_headers.h"
 
 #include <string>
 
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_piece.h"
@@ skipping 33 matching lines @@
       }
     }
   }
   return false;
 }
 
 bool GetDataReductionProxyInfo(const net::HttpResponseHeaders* headers,
                                DataReductionProxyInfo* proxy_info) {
   DCHECK(proxy_info);
   proxy_info->bypass_all = false;
-  proxy_info->bypass_duration = TimeDelta();
+  // Randomize the timeout over a range from one to five minutes.
+  proxy_info->bypass_duration = TimeDelta::FromMilliseconds(

[bengr, 2014/07/15 16:38:17]

This won't work. Leave this one as is and move this randomization code to:
https://code.google.com/p/chromium/codesearch#chromium/src/components/data_re...

[Not at Google. Contact bengr, 2014/07/16 22:41:34]

Done.

+          base::RandInt(1 * 60 * 1000, 5 * 60 * 1000));
   // Support header of the form Chrome-Proxy: bypass|block=<duration>, where
   // <duration> is the number of seconds to wait before retrying
   // the proxy. If the duration is 0, then the default proxy retry delay
   // (specified in |ProxyList::UpdateRetryInfoOnFallback|) will be used.
   // 'bypass' instructs Chrome to bypass the currently connected data reduction
   // proxy, whereas 'block' instructs Chrome to bypass all available data
   // reduction proxies.
 
   // 'block' takes precedence over 'bypass', so look for it first.
   // TODO(bengr): Reduce checks for 'block' and 'bypass' to a single loop.
@@ skipping 81 matching lines @@
         headers->response_code() < net::HTTP_INTERNAL_SERVER_ERROR) {
       return ProxyService::MISSING_VIA_HEADER_4XX;
     }
     return ProxyService::MISSING_VIA_HEADER_OTHER;
   }
   // There is no bypass event.
   return ProxyService::BYPASS_EVENT_TYPE_MAX;
 }
 
 }  // namespace data_reduction_proxy