ServiceWorker: Factor out FetchEvent related logics from RespondWithObserver.

third_party/WebKit/Source/modules/serviceworkers/ForeignFetchRespondWithObserver.cpp

 // Copyright 2016 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/serviceworkers/ForeignFetchRespondWithObserver.h"
 
 #include "modules/fetch/Response.h"
 #include "modules/serviceworkers/ForeignFetchResponse.h"
 #include "platform/loader/fetch/CrossOriginAccessControl.h"
 
@@ skipping 69 matching lines @@
             headersToRemove.insert(*it);
         }
         headers.removeAll(headersToRemove);
       }
     }
     FetchResponseData* responseData =
         internalResponse->createCORSFilteredResponse(headers);
     response = Response::create(getExecutionContext(), responseData);
   }
 
-  RespondWithObserver::responseWasFulfilled(
+  FetchRespondWithObserver::responseWasFulfilled(
       ScriptValue::from(value.getScriptState(), response));
 }
 
 ForeignFetchRespondWithObserver::ForeignFetchRespondWithObserver(
     ExecutionContext* context,
     int eventID,
     const KURL& requestURL,
     WebURLRequest::FetchRequestMode requestMode,
     WebURLRequest::FetchRedirectMode redirectMode,
     WebURLRequest::FrameType frameType,
     WebURLRequest::RequestContext requestContext,
     PassRefPtr<SecurityOrigin> requestOrigin,
     WaitUntilObserver* observer)
-    : RespondWithObserver(context,
-                          eventID,
-                          requestURL,
-                          requestMode,
-                          redirectMode,
-                          frameType,
-                          requestContext,
-                          observer),
+    : FetchRespondWithObserver(context,
+                               eventID,
+                               requestURL,
+                               requestMode,
+                               redirectMode,
+                               frameType,
+                               requestContext,
+                               observer),
       m_requestOrigin(requestOrigin) {}
 
 }  // namespace blink