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

components/grpc_support/test/quic_test_server.h

Index: components/grpc_support/test/quic_test_server.h
diff --git a/components/cronet/ios/test/quic_test_server.h b/components/grpc_support/test/quic_test_server.h
similarity index 80%
rename from components/cronet/ios/test/quic_test_server.h
rename to components/grpc_support/test/quic_test_server.h
index 8b21cb280045c7f22440ab732e592dc73bdef4a6..ed890882e4b27c331ebbcef6cae38039ddd4be6e 100644
--- a/components/cronet/ios/test/quic_test_server.h
+++ b/components/grpc_support/test/quic_test_server.h
@@ -2,10 +2,10 @@
 // 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_
+#ifndef COMPONENTS_GRPC_SUPPORT_TEST_QUIC_TEST_SERVER_H_
+#define COMPONENTS_GRPC_SUPPORT_TEST_QUIC_TEST_SERVER_H_
 
-namespace cronet {
+namespace grpc_support {
 
 bool StartQuicTestServer();
 
@@ -27,6 +27,6 @@ extern const char kHelloHeaderValue[];
 extern const char kHelloTrailerName[];
 extern const char kHelloTrailerValue[];
 
-}  // namespace cronet
+}  // namespace grpc_support
 
 #endif  // COMPONENTS_CRONET_IOS_TEST_QUIC_TEST_SERVER_H_