Revert of Revert "Revert of Moving gRPC support interfaces out of cronet and into a new component.

components/grpc_support/test/quic_test_server.cc

Index: components/grpc_support/test/quic_test_server.cc
diff --git a/components/grpc_support/test/quic_test_server.cc b/components/grpc_support/test/quic_test_server.cc
deleted file mode 100644
index 169241db124c1bd9e92da4f0fff8bd75bc267f0d..0000000000000000000000000000000000000000
--- a/components/grpc_support/test/quic_test_server.cc
+++ /dev/null
@@ -1,139 +0,0 @@
-// Copyright 2016 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/grpc_support/test/quic_test_server.h"
-
-#include <utility>
-
-#include "base/bind.h"
-#include "base/files/file_path.h"
-#include "base/files/file_util.h"
-#include "base/path_service.h"
-#include "base/strings/stringprintf.h"
-#include "base/synchronization/waitable_event.h"
-#include "base/threading/thread.h"
-#include "net/base/ip_address.h"
-#include "net/base/ip_endpoint.h"
-#include "net/quic/chromium/crypto/proof_source_chromium.h"
-#include "net/spdy/spdy_header_block.h"
-#include "net/test/test_data_directory.h"
-#include "net/tools/quic/quic_in_memory_cache.h"
-#include "net/tools/quic/quic_simple_server.h"
-
-namespace grpc_support {
-
-// This must match the certificate used (quic_test.example.com.crt and
-// quic_test.example.com.key.pkcs8).
-const char kTestServerHost[] = "test.example.com";
-const char kTestServerUrl[] = "https://test.example.com/hello.txt";
-
-const char kStatusHeader[] = ":status";
-
-const char kHelloPath[] = "/hello.txt";
-const char kHelloBodyValue[] = "Hello from QUIC Server";
-const char kHelloStatus[] = "200";
-
-const char kHelloHeaderName[] = "hello_header";
-const char kHelloHeaderValue[] = "hello header value";
-
-const char kHelloTrailerName[] = "hello_trailer";
-const char kHelloTrailerValue[] = "hello trailer value";
-
-base::Thread* g_quic_server_thread = nullptr;
-net::QuicSimpleServer* g_quic_server = nullptr;
-int g_quic_server_port = 0;
-
-void SetupQuicInMemoryCache() {
-  static bool setup_done = false;
-  if (setup_done)
-    return;
-  setup_done = true;
-  net::SpdyHeaderBlock headers;
-  headers[kHelloHeaderName] = kHelloHeaderValue;
-  headers[kStatusHeader] =  kHelloStatus;
-  net::SpdyHeaderBlock trailers;
-  trailers[kHelloTrailerName] = kHelloTrailerValue;
-  net::QuicInMemoryCache::GetInstance()->AddResponse(
-      base::StringPrintf("%s", kTestServerHost),
-      kHelloPath, std::move(headers), kHelloBodyValue, std::move(trailers));
-}
-
-void StartQuicServerOnServerThread(const base::FilePath& test_files_root,
-                                   base::WaitableEvent* server_started_event) {
-  DCHECK(g_quic_server_thread->task_runner()->BelongsToCurrentThread());
-  DCHECK(!g_quic_server);
-
-  net::QuicConfig config;
-  // Set up server certs.
-  base::FilePath directory;
-  directory = test_files_root;
-  std::unique_ptr<net::ProofSourceChromium> proof_source(
-      new net::ProofSourceChromium());
-  CHECK(proof_source->Initialize(
-      directory.AppendASCII("quic_test.example.com.crt"),
-      directory.AppendASCII("quic_test.example.com.key.pkcs8"),
-      directory.AppendASCII("quic_test.example.com.key.sct")));
-  g_quic_server =
-      new net::QuicSimpleServer(std::move(proof_source), config,
-                                net::QuicCryptoServerConfig::ConfigOptions(),
-                                net::AllSupportedVersions());
-
-  // Start listening on an unbound port.
-  int rv = g_quic_server->Listen(
-      net::IPEndPoint(net::IPAddress::IPv4AllZeros(), 0));
-  CHECK_GE(rv, 0) << "Quic server fails to start";
-  g_quic_server_port = g_quic_server->server_address().port();
-
-  SetupQuicInMemoryCache();
-
-  server_started_event->Signal();
-}
-
-void ShutdownOnServerThread(base::WaitableEvent* server_stopped_event) {
-  DCHECK(g_quic_server_thread->task_runner()->BelongsToCurrentThread());
-  g_quic_server->Shutdown();
-  delete g_quic_server;
-  g_quic_server = nullptr;
-  server_stopped_event->Signal();
-}
-
-bool StartQuicTestServer() {
-  LOG(INFO) << g_quic_server_thread;
-  DCHECK(!g_quic_server_thread);
-  g_quic_server_thread = new base::Thread("quic server thread");
-  base::Thread::Options thread_options;
-  thread_options.message_loop_type = base::MessageLoop::TYPE_IO;
-  bool started = g_quic_server_thread->StartWithOptions(thread_options);
-  DCHECK(started);
-  base::FilePath test_files_root = net::GetTestCertsDirectory();
-
-  base::WaitableEvent server_started_event(
-      base::WaitableEvent::ResetPolicy::MANUAL,
-      base::WaitableEvent::InitialState::NOT_SIGNALED);
-  g_quic_server_thread->task_runner()->PostTask(
-      FROM_HERE, base::Bind(&StartQuicServerOnServerThread, test_files_root,
-                            &server_started_event));
-  server_started_event.Wait();
-  return true;
-}
-
-void ShutdownQuicTestServer() {
-  if (!g_quic_server_thread)
-    return;
-  DCHECK(!g_quic_server_thread->task_runner()->BelongsToCurrentThread());
-  base::WaitableEvent server_stopped_event(
-      base::WaitableEvent::ResetPolicy::MANUAL,
-      base::WaitableEvent::InitialState::NOT_SIGNALED);
-  g_quic_server_thread->task_runner()->PostTask(
-      FROM_HERE, base::Bind(&ShutdownOnServerThread, &server_stopped_event));
-  server_stopped_event.Wait();
-  delete g_quic_server_thread;
-  g_quic_server_thread = nullptr;
-}
-
-int GetQuicTestServerPort() {
-  return g_quic_server_port;
-}
-
-}  // namespace grpc_support