Remove resource type-specific fetching logic from ResourceFetcher

Source/core/inspector/InspectorResourceContentLoader.cpp

Index: Source/core/inspector/InspectorResourceContentLoader.cpp
diff --git a/Source/core/inspector/InspectorResourceContentLoader.cpp b/Source/core/inspector/InspectorResourceContentLoader.cpp
index 84d8ce83be29e0add72084bd18acf169e81fd4d2..57c6bd75071aa3f2718b5c259483e415dabae5c0 100644
--- a/Source/core/inspector/InspectorResourceContentLoader.cpp
+++ b/Source/core/inspector/InspectorResourceContentLoader.cpp
@@ -108,7 +108,7 @@ void InspectorResourceContentLoader::start()
         if (!resourceRequest.url().string().isEmpty()) {
             urlsToFetch.add(resourceRequest.url().string());
             FetchRequest request(resourceRequest, FetchInitiatorTypeNames::internal);
-            ResourcePtr<Resource> resource = document->fetcher()->fetchRawResource(request);
+            ResourcePtr<Resource> resource = RawResource::fetch(request, document->fetcher());
             if (resource) {
                 // Prevent garbage collection by holding a reference to this resource.
                 m_resources.append(resource.get());
@@ -129,7 +129,7 @@ void InspectorResourceContentLoader::start()
             urlsToFetch.add(url);
             FetchRequest request(ResourceRequest(url), FetchInitiatorTypeNames::internal);
             request.mutableResourceRequest().setRequestContext(WebURLRequest::RequestContextInternal);
-            ResourcePtr<Resource> resource = document->fetcher()->fetchCSSStyleSheet(request);
+            ResourcePtr<Resource> resource = CSSStyleSheetResource::fetch(request, document->fetcher());
             if (!resource)
                 continue;
             // Prevent garbage collection by holding a reference to this resource.