ServiceWorker: Factor out FetchEvent related logics from RespondWithObserver.

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

Index: third_party/WebKit/Source/modules/serviceworkers/ForeignFetchRespondWithObserver.cpp
diff --git a/third_party/WebKit/Source/modules/serviceworkers/ForeignFetchRespondWithObserver.cpp b/third_party/WebKit/Source/modules/serviceworkers/ForeignFetchRespondWithObserver.cpp
index 92e64564a5baafd3161106fbf1c7e8fcb20c1124..a9f6eb48cdc85b76d394681895f912c312e665c4 100644
--- a/third_party/WebKit/Source/modules/serviceworkers/ForeignFetchRespondWithObserver.cpp
+++ b/third_party/WebKit/Source/modules/serviceworkers/ForeignFetchRespondWithObserver.cpp
@@ -87,7 +87,7 @@ void ForeignFetchRespondWithObserver::responseWasFulfilled(
     response = Response::create(getExecutionContext(), responseData);
   }
 
-  RespondWithObserver::responseWasFulfilled(
+  FetchRespondWithObserver::responseWasFulfilled(
       ScriptValue::from(value.getScriptState(), response));
 }
 
@@ -101,14 +101,14 @@ ForeignFetchRespondWithObserver::ForeignFetchRespondWithObserver(
     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