[wrapper-tracing] Untangle non-trivial mixin ctors

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

Index: third_party/WebKit/Source/modules/fetch/Request.cpp
diff --git a/third_party/WebKit/Source/modules/fetch/Request.cpp b/third_party/WebKit/Source/modules/fetch/Request.cpp
index 2d1c4749a42597c05b247b6a1d6b107be67ec04a..00ba26291a2684a1cfac005df2b801d52f230d64 100644
--- a/third_party/WebKit/Source/modules/fetch/Request.cpp
+++ b/third_party/WebKit/Source/modules/fetch/Request.cpp
@@ -469,7 +469,8 @@ Request* Request::create(ScriptState* scriptState, FetchRequestData* 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,
@@ -486,10 +487,6 @@ Request::Request(ScriptState* scriptState, FetchRequestData* request)
   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();