Delete src/core/lib/channel/context.h

src/core/lib/channel/context.h

@@ -1,74 +0,0 @@
-//
-//
-// Copyright 2015 gRPC authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-//
-//
-
-#ifndef GRPC_SRC_CORE_LIB_CHANNEL_CONTEXT_H
-#define GRPC_SRC_CORE_LIB_CHANNEL_CONTEXT_H
-
-#include <grpc/support/port_platform.h>
-
-#include "src/core/lib/promise/context.h"
-
-/// Call object context pointers.
-
-/// Call context is represented as an array of \a grpc_call_context_elements.
-/// This enum represents the indexes into the array, where each index
-/// contains a different type of value.
-typedef enum { GRPC_CONTEXT_COUNT } grpc_context_index;
-
-struct grpc_call_context_element {
-  void* value = nullptr;
-  void (*destroy)(void*) = nullptr;
-};
-
-namespace grpc_core {
-class ServiceConfigCallData;
-
-// Bind the legacy context array into the new style structure
-// TODO(ctiller): remove as we migrate these contexts to the new system.
-template <>
-struct ContextType<grpc_call_context_element> {};
-
-// Also as a transition step allow exposing a GetContext<T> that can peek into
-// the legacy context array.
-namespace promise_detail {
-template <typename T>
-struct OldStyleContext;
-
-template <typename T>
-class Context<T, absl::void_t<decltype(OldStyleContext<T>::kIndex)>> {
- public:
-  static T* get() {
-    return static_cast<T*>(
-        GetContext<grpc_call_context_element>()[OldStyleContext<T>::kIndex]
-            .value);
-  }
-  static void set(T* value) {
-    auto& elem =
-        GetContext<grpc_call_context_element>()[OldStyleContext<T>::kIndex];
-    if (elem.destroy != nullptr) {
-      elem.destroy(elem.value);
-      elem.destroy = nullptr;
-    }
-    elem.value = value;
-  }
-};
-
-}  // namespace promise_detail
-}  // namespace grpc_core
-
-#endif  // GRPC_SRC_CORE_LIB_CHANNEL_CONTEXT_H