Enable QUIC for proxies based on Finch config and command line switch.

components/data_reduction_proxy/core/browser/data_reduction_proxy_settings_test_utils.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/core/browser/data_reduction_proxy_settings_test_utils.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/message_loop/message_loop.h"
 #include "base/prefs/pref_registry_simple.h"
@@ skipping 251 matching lines @@
   base::MessageLoopForUI loop;
   scoped_ptr<DataReductionProxyConfigurator> configurator(
       new TestDataReductionProxyConfigurator(
           scoped_refptr<base::TestSimpleTaskRunner>(
               new base::TestSimpleTaskRunner()), &net_log_,
               event_store_.get()));
   settings_->SetProxyConfigurator(configurator.get());
   scoped_refptr<net::TestURLRequestContextGetter> request_context =
       new net::TestURLRequestContextGetter(base::MessageLoopProxy::current());
 
-  settings_->InitDataReductionProxySettings(
-      &pref_service_,
-      request_context.get(),
-      &net_log_,
-      event_store_.get());
+  settings_->InitDataReductionProxySettings(&pref_service_,
+                                            request_context.get(), &net_log_,
+                                            event_store_.get(), true);

[bengr, 2015/02/10 20:18:31]

Do we also test with quic off?

[tbansal1, 2015/02/10 22:24:38]

Added in data_reduction_proxy_settings_unittest.cc.

   settings_->SetOnDataReductionEnabledCallback(
       base::Bind(&DataReductionProxySettingsTestBase::
                  RegisterSyntheticFieldTrialCallback,
                  base::Unretained(this)));
 
   base::MessageLoop::current()->RunUntilIdle();
   EXPECT_EQ(enabled_at_startup, proxy_enabled_);
 }
 
 }  // namespace data_reduction_proxy