Change POST-exclusion to idempotent-inclusion

components/data_reduction_proxy/core/browser/data_reduction_proxy_bypass_protocol.cc

Index: components/data_reduction_proxy/core/browser/data_reduction_proxy_bypass_protocol.cc
diff --git a/components/data_reduction_proxy/core/browser/data_reduction_proxy_bypass_protocol.cc b/components/data_reduction_proxy/core/browser/data_reduction_proxy_bypass_protocol.cc
index 1d0349a0e2493849316fa649fc696a3ae8d89d9b..7b3220e0f8a96096e13d23e255054dafbd68c74a 100644
--- a/components/data_reduction_proxy/core/browser/data_reduction_proxy_bypass_protocol.cc
+++ b/components/data_reduction_proxy/core/browser/data_reduction_proxy_bypass_protocol.cc
@@ -6,20 +6,21 @@
 
 #include <vector>
 
 #include "base/metrics/histogram_macros.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/time/time.h"
 #include "components/data_reduction_proxy/core/browser/data_reduction_proxy_bypass_stats.h"
 #include "components/data_reduction_proxy/core/browser/data_reduction_proxy_config.h"
 #include "components/data_reduction_proxy/core/common/data_reduction_proxy_headers.h"
 #include "components/data_reduction_proxy/core/common/data_reduction_proxy_params.h"
+#include "components/data_reduction_proxy/core/common/data_reduction_proxy_util.h"
 #include "net/base/load_flags.h"
 #include "net/http/http_response_headers.h"
 #include "net/proxy/proxy_config.h"
 #include "net/proxy/proxy_info.h"
 #include "net/proxy/proxy_list.h"
 #include "net/proxy/proxy_retry_info.h"
 #include "net/proxy/proxy_server.h"
 #include "net/proxy/proxy_service.h"
 #include "net/url_request/url_request.h"
 #include "net/url_request/url_request_context.h"
@@ -160,28 +161,14 @@ bool DataReductionProxyBypassProtocol::MaybeBypassProxyAndPrepareToRetry(
                           data_reduction_proxy_info->bypass_all,
                           data_reduction_proxy_type_info.proxy_servers);
   } else {
     request->SetLoadFlags(request->load_flags() |
                           net::LOAD_DISABLE_CACHE |
                           net::LOAD_BYPASS_PROXY);
   }
 
   // Retry if block-once was specified or if method is idempotent.
   return bypass_type == BYPASS_EVENT_TYPE_CURRENT ||
-         IsRequestIdempotent(request);
-}
-
-// static
-bool DataReductionProxyBypassProtocol::IsRequestIdempotent(
-    const net::URLRequest* request) {
-  DCHECK(request);
-  if (request->method() == "GET" ||
-      request->method() == "OPTIONS" ||
-      request->method() == "HEAD" ||
-      request->method() == "PUT" ||
-      request->method() == "DELETE" ||
-      request->method() == "TRACE")
-    return true;
-  return false;
+         IsMethodIdempotent(request->method());
 }
 
 }  // namespace data_reduction_proxy