Added Dev host for data reduction proxy controlled by Finch experiment.

chrome/browser/net/spdyproxy/data_reduction_proxy_settings.cc

 // Copyright 2013 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 "chrome/browser/net/spdyproxy/data_reduction_proxy_settings.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/metrics/field_trial.h"
 #include "base/metrics/histogram.h"
@@ skipping 240 matching lines @@
   void* iter = NULL;
   std::string value;
   while (headers->EnumerateHeader(&iter, "via", &value))
     if (value == kChromeProxyViaValue) return true;
   return false;
 }
 
 // static
 std::string DataReductionProxySettings::GetDataReductionProxyOrigin() {
   const CommandLine& command_line = *CommandLine::ForCurrentProcess();
+  if (command_line.HasSwitch(switches::kSpdyProxyDevAuthOrigin))
+    return command_line.GetSwitchValueASCII(switches::kSpdyProxyDevAuthOrigin);
   if (command_line.HasSwitch(switches::kSpdyProxyAuthOrigin))
     return command_line.GetSwitchValueASCII(switches::kSpdyProxyAuthOrigin);
+#if defined(DATA_REDUCTION_DEV_HOST)
+  if (FieldTrialList::FindFullName("DataCompressionProxyDevRollout") ==
+      kEnabled) {
+    return DATA_REDUCTION_DEV_HOST;
+  }
+#endif
 #if defined(SPDY_PROXY_AUTH_ORIGIN)
   return SPDY_PROXY_AUTH_ORIGIN;
 #else
   return std::string();
 #endif
 }
 
 // static
 std::string DataReductionProxySettings::GetDataReductionProxyFallback() {
   // Regardless of what else is defined, only return a value if the main proxy
@@ skipping 404 matching lines @@
 }
 
 void
 DataReductionProxySettings::ProbeWhetherDataReductionProxyIsAvailable() {
   net::URLFetcher* fetcher = GetURLFetcher();
   if (!fetcher)
     return;
   fetcher_.reset(fetcher);
   fetcher_->Start();
 }