Moving proxy resolution logic out of NetworkDelegate and into ProxyDelegate for DataReductionProxy

components/data_reduction_proxy/core/browser/data_reduction_proxy_interceptor_unittest.cc

Index: components/data_reduction_proxy/core/browser/data_reduction_proxy_interceptor_unittest.cc
diff --git a/components/data_reduction_proxy/core/browser/data_reduction_proxy_interceptor_unittest.cc b/components/data_reduction_proxy/core/browser/data_reduction_proxy_interceptor_unittest.cc
index 66f6a944241042bab86f028934e2a203433a4702..1966e07226f5d5efa132be1404385e31f6c0fc9e 100644
--- a/components/data_reduction_proxy/core/browser/data_reduction_proxy_interceptor_unittest.cc
+++ b/components/data_reduction_proxy/core/browser/data_reduction_proxy_interceptor_unittest.cc
@@ -282,20 +282,22 @@ class DataReductionProxyInterceptorEndToEndTest : public testing::Test {
   ~DataReductionProxyInterceptorEndToEndTest() override {}
 
   void SetUp() override {
     drp_test_context_ =
         DataReductionProxyTestContext::Builder()
             .WithURLRequestContext(&context_)
             .WithMockClientSocketFactory(&mock_socket_factory_)
             .Build();
     drp_test_context_->AttachToURLRequestContext(&context_storage_);
     context_.set_client_socket_factory(&mock_socket_factory_);
+    proxy_delegate_ = drp_test_context_->io_data()->CreateProxyDelegate();
+    context_.set_proxy_delegate(proxy_delegate_.get());
     context_.Init();
     drp_test_context_->EnableDataReductionProxyWithSecureProxyCheckSuccess();
 
     // Three proxies should be available for use: primary, fallback, and direct.
     const net::ProxyConfig& proxy_config =
         drp_test_context_->configurator()->GetProxyConfig();
     EXPECT_EQ(3U, proxy_config.proxy_rules().proxies_for_http.size());
   }
 
   // Creates a URLRequest using the test's TestURLRequestContext and executes
@@ -323,20 +325,21 @@ class DataReductionProxyInterceptorEndToEndTest : public testing::Test {
   net::ProxyServer origin() const {
     return config()->test_params()->proxies_for_http().front();
   }
 
  private:
   base::MessageLoopForIO message_loop_;
   net::TestDelegate delegate_;
   net::MockClientSocketFactory mock_socket_factory_;
   net::TestURLRequestContext context_;
   net::URLRequestContextStorage context_storage_;
+  scoped_ptr<net::ProxyDelegate> proxy_delegate_;
   scoped_ptr<DataReductionProxyTestContext> drp_test_context_;
 };
 
 const std::string kBody = "response body";
 
 TEST_F(DataReductionProxyInterceptorEndToEndTest, ResponseWithoutRetry) {
   // The response comes through the proxy and should not be retried.
   MockRead mock_reads[] = {
       MockRead("HTTP/1.1 200 OK\r\nVia: 1.1 Chrome-Compression-Proxy\r\n\r\n"),
       MockRead(kBody.c_str()),