Body should use ContextClient instead of ContextLifecycleObserver

third_party/WebKit/Source/modules/fetch/Body.cpp

 // Copyright 2014 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 "modules/fetch/Body.h"
 
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "bindings/core/v8/ScriptState.h"
 #include "bindings/core/v8/V8ArrayBuffer.h"
 #include "bindings/core/v8/V8ThrowException.h"
@@ skipping 206 matching lines @@
 }
 
 bool Body::hasPendingActivity() const {
   if (!getExecutionContext() || getExecutionContext()->isContextDestroyed())
     return false;
   if (!bodyBuffer())
     return false;
   return bodyBuffer()->hasPendingActivity();
 }
 
-Body::Body(ExecutionContext* context) : ContextLifecycleObserver(context) {}
+Body::Body(ExecutionContext* context) : ContextClient(context) {}
 
 ScriptPromise Body::rejectInvalidConsumption(ScriptState* scriptState) {
   if (isBodyLocked() || bodyUsed())
     return ScriptPromise::reject(
         scriptState, V8ThrowException::createTypeError(scriptState->isolate(),
                                                        "Already read"));
   return ScriptPromise();
 }
 
 }  // namespace blink