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

components/cronet/ios/test/quic_test_server.h

Index: components/cronet/ios/test/quic_test_server.h
diff --git a/components/cronet/ios/test/quic_test_server.h b/components/cronet/ios/test/quic_test_server.h
deleted file mode 100644
index 8b21cb280045c7f22440ab732e592dc73bdef4a6..0000000000000000000000000000000000000000
--- a/components/cronet/ios/test/quic_test_server.h
+++ /dev/null
@@ -1,32 +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.
-
-#ifndef COMPONENTS_CRONET_IOS_TEST_QUIC_TEST_SERVER_H_
-#define COMPONENTS_CRONET_IOS_TEST_QUIC_TEST_SERVER_H_
-
-namespace cronet {
-
-bool StartQuicTestServer();
-
-void ShutdownQuicTestServer();
-
-extern const char kTestServerDomain[];
-extern const int kTestServerPort;
-extern const char kTestServerHost[];
-extern const char kTestServerUrl[];
-
-extern const char kStatusHeader[];
-
-extern const char kHelloBodyValue[];
-extern const char kHelloStatus[];
-
-extern const char kHelloHeaderName[];
-extern const char kHelloHeaderValue[];
-
-extern const char kHelloTrailerName[];
-extern const char kHelloTrailerValue[];
-
-}  // namespace cronet
-
-#endif  // COMPONENTS_CRONET_IOS_TEST_QUIC_TEST_SERVER_H_