[wrapper-tracing] Untangle non-trivial mixin ctors

third_party/WebKit/Source/modules/fetch/Request.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/Request.h"
 
 #include "bindings/core/v8/Dictionary.h"
 #include "core/dom/Document.h"
 #include "core/dom/ExecutionContext.h"
 #include "core/fetch/FetchUtils.h"
@@ skipping 451 matching lines @@
   return createRequestWithRequestOrString(scriptState, input, String(),
                                           requestInit, exceptionState);
 }
 
 Request* Request::create(ScriptState* scriptState, FetchRequestData* request) {
   return new Request(scriptState, request);
 }
 
 Request* Request::create(ScriptState* scriptState,
                          const WebServiceWorkerRequest& webRequest) {
-  return new Request(scriptState, webRequest);
+  FetchRequestData* request = FetchRequestData::create(scriptState, webRequest);
+  return new Request(scriptState, request);
 }
 
 Request::Request(ScriptState* scriptState,
                  FetchRequestData* request,
                  Headers* headers)
     : Body(scriptState->getExecutionContext()),
       m_request(request),
       m_headers(headers) {
   refreshBody(scriptState);
 }
 
 Request::Request(ScriptState* scriptState, FetchRequestData* request)
     : Request(scriptState, request, Headers::create(request->headerList())) {
   m_headers->setGuard(Headers::RequestGuard);
 }
 
-Request::Request(ScriptState* scriptState,
-                 const WebServiceWorkerRequest& request)
-    : Request(scriptState, FetchRequestData::create(scriptState, request)) {}
-
 String Request::method() const {
   // "The method attribute's getter must return request's method."
   return m_request->method();
 }
 
 KURL Request::url() const {
   // The url attribute's getter must return request's url, serialized with the
   // exclude fragment flag set.
   if (!m_request->url().hasFragmentIdentifier())
     return m_request->url();
@@ skipping 233 matching lines @@
       V8HiddenValue::internalBodyBuffer(scriptState->isolate()), bodyBuffer);
 }
 
 DEFINE_TRACE(Request) {
   Body::trace(visitor);
   visitor->trace(m_request);
   visitor->trace(m_headers);
 }
 
 }  // namespace blink