Fix the data reduction proxy builder for Cronet

This is a partial revert of https://codereview.chromium.org/2504963004
which broke Cronet data reduction proxy builder. The original CL
passed the CQ because the Cronet builder has been down for 4-5 days.

CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.android:android_cronet_tester

BUG=669037
TBR=sclittle@chromium.org

Review-Url: https://codereview.chromium.org/2547513002
Cr-Commit-Position: refs/heads/master@{#435602}

components/data_reduction_proxy/core/browser/data_reduction_proxy_bypass_protocol_unittest.cc

@@ -778,8 +778,7 @@ class DataReductionProxyBypassProtocolEndToEndTest : public testing::Test {
             .WithMockClientSocketFactory(mock_socket_factory_.get())
             .WithURLRequestContext(context_.get())
             .Build();
-    proxy_delegate_ =
-        drp_test_context_->io_data()->CreateProxyDelegateForTesting();
+    proxy_delegate_ = drp_test_context_->io_data()->CreateProxyDelegate();
     context_->set_proxy_delegate(proxy_delegate_.get());
   }
 

components/data_reduction_proxy/core/browser/data_reduction_proxy_bypass_stats_unittest.cc

@@ -264,8 +264,7 @@ class DataReductionProxyBypassStatsEndToEndTest : public testing::Test {
             .Build();
     drp_test_context_->AttachToURLRequestContext(&context_storage_);
     context_.set_client_socket_factory(&mock_socket_factory_);
-    proxy_delegate_ =
-        drp_test_context_->io_data()->CreateProxyDelegateForTesting();
+    proxy_delegate_ = drp_test_context_->io_data()->CreateProxyDelegate();
     context_.set_proxy_delegate(proxy_delegate_.get());
   }
 

components/data_reduction_proxy/core/browser/data_reduction_proxy_config_service_client_unittest.cc

@@ -145,7 +145,7 @@ class DataReductionProxyConfigServiceClientTest : public testing::Test {
 
     context_->set_client_socket_factory(mock_socket_factory_.get());
     test_context_->AttachToURLRequestContext(context_storage_.get());
-    delegate_ = test_context_->io_data()->CreateProxyDelegateForTesting();
+    delegate_ = test_context_->io_data()->CreateProxyDelegate();
     context_->set_proxy_delegate(delegate_.get());
 
     context_->Init();

components/data_reduction_proxy/core/browser/data_reduction_proxy_delegate_unittest.cc

@@ -620,7 +620,7 @@ class DataReductionProxyDelegateTest : public testing::Test {
     network_change_notifier_.reset(net::NetworkChangeNotifier::CreateMock());
     base::RunLoop().RunUntilIdle();
 
-    proxy_delegate_ = test_context_->io_data()->CreateProxyDelegateForTesting();
+    proxy_delegate_ = test_context_->io_data()->CreateProxyDelegate();
     context_.set_proxy_delegate(proxy_delegate_.get());
 
     context_.Init();

components/data_reduction_proxy/core/browser/data_reduction_proxy_interceptor_unittest.cc

@@ -291,8 +291,7 @@ class DataReductionProxyInterceptorEndToEndTest : public testing::Test {
             .Build();
     drp_test_context_->AttachToURLRequestContext(&context_storage_);
     context_.set_client_socket_factory(&mock_socket_factory_);
-    proxy_delegate_ =
-        drp_test_context_->io_data()->CreateProxyDelegateForTesting();
+    proxy_delegate_ = drp_test_context_->io_data()->CreateProxyDelegate();
     context_.set_proxy_delegate(proxy_delegate_.get());
     context_.Init();
     drp_test_context_->EnableDataReductionProxyWithSecureProxyCheckSuccess();

components/data_reduction_proxy/core/browser/data_reduction_proxy_io_data.cc

@@ -249,7 +249,7 @@ DataReductionProxyIOData::CreateNetworkDelegate(
 }
 
 std::unique_ptr<DataReductionProxyDelegate>
-DataReductionProxyIOData::CreateProxyDelegateForTesting() const {
+DataReductionProxyIOData::CreateProxyDelegate() const {
   DCHECK(io_task_runner_->BelongsToCurrentThread());
   return base::MakeUnique<DataReductionProxyDelegate>(
       config_.get(), configurator_.get(), event_creator_.get(),

components/data_reduction_proxy/core/browser/data_reduction_proxy_io_data.h

@@ -84,8 +84,7 @@ class DataReductionProxyIOData : public DataReductionProxyEventStorageDelegate {
       std::unique_ptr<net::NetworkDelegate> wrapped_network_delegate,
       bool track_proxy_bypass_statistics);
 
-  std::unique_ptr<DataReductionProxyDelegate> CreateProxyDelegateForTesting()
-      const;
+  std::unique_ptr<DataReductionProxyDelegate> CreateProxyDelegate() const;
 
   // Sets user defined preferences for how the Data Reduction Proxy
   // configuration should be set. |at_startup| is true only