Add data reduction functionality to all platforms.

components/data_reduction_proxy/common/data_reduction_proxy_headers.h

 // 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.
 
 #ifndef COMPONENTS_DATA_REDUCTION_PROXY_COMMON_DATA_REDUCTION_PROXY_HEADERS_H_
 #define COMPONENTS_DATA_REDUCTION_PROXY_COMMON_DATA_REDUCTION_PROXY_HEADERS_H_
 
 #include <string>
 
 #include "base/macros.h"
 #include "base/time/time.h"
 #include "net/http/http_response_headers.h"

[Ryan Sleevi, 2014/07/22 08:22:25]

Forward declare

[Not at Google. Contact bengr, 2014/07/22 23:03:53]

Done.

 #include "net/proxy/proxy_service.h"

[Ryan Sleevi, 2014/07/22 08:22:25]

Forward Declare

[Not at Google. Contact bengr, 2014/07/22 23:03:53]

DataReductionProxyBypassType is an enum, so forward declaration is not possible.

 
 using net::ProxyService;

[Ryan Sleevi, 2014/07/22 08:22:25]

Do not use a Using directive in headers -
http://google-styleguide.googlecode.com/svn/trunk/cppguide.xml?showone=Namesp...

[Not at Google. Contact bengr, 2014/07/22 23:03:53]

Done.

 
 namespace data_reduction_proxy {
 
 // Contains instructions contained in the Chrome-Proxy header.
 struct DataReductionProxyInfo {
   DataReductionProxyInfo() : bypass_all(false) {}
 
   // True if Chrome should bypass all available data reduction proxies. False
   // if only the currently connected data reduction proxy should be bypassed.
   bool bypass_all;
 
   // Amount of time to bypass the data reduction proxy or proxies.
   base::TimeDelta bypass_duration;
 };
 
 // Returns true if the Chrome-Proxy header is present and contains a bypass
 // delay. Sets |proxy_info->bypass_duration| to the specified delay if greater
 // than 0, and to 0 otherwise to indicate that the default proxy delay
 // (as specified in |ProxyList::UpdateRetryInfoOnFallback|) should be used.
 // If all available data reduction proxies should by bypassed, |bypass_all| is
 // set to true. |proxy_info| must be non-NULL.
-bool GetDataReductionProxyInfo(
+bool ParseHeadersAndSetProxyInfo(
     const net::HttpResponseHeaders* headers,
     DataReductionProxyInfo* proxy_info);
 
 // Returns true if the response contain the data reduction proxy Via header
 // value. Used to check the integrity of data reduction proxy responses.
 bool HasDataReductionProxyViaHeader(const net::HttpResponseHeaders* headers);
 
 // Returns the reason why the Chrome proxy should be bypassed or not, and
 // populates |proxy_info| with information on how long to bypass if
 // applicable.
 ProxyService::DataReductionProxyBypassType GetDataReductionProxyBypassType(
     const net::HttpResponseHeaders* headers,
     DataReductionProxyInfo* proxy_info);
 
 // Searches for the specified Chrome-Proxy action, and if present interprets
 // its value as a duration in seconds.
-bool GetDataReductionProxyBypassDuration(
+bool ParseHeadersAndSetProxyInfoBypassDuration(
     const net::HttpResponseHeaders* headers,
     const std::string& action_prefix,
-    base::TimeDelta* duration);
+    DataReductionProxyInfo* proxy_info);
 
 }  // namespace data_reduction_proxy
 #endif  // COMPONENTS_DATA_REDUCTION_PROXY_COMMON_DATA_REDUCTION_PROXY_HEADERS_H_