Replace 'ResourceRequest::TargetType' with 'ResourceRequest::RequestContext'.

Source/core/fetch/ResourceFetcher.h

Index: Source/core/fetch/ResourceFetcher.h
diff --git a/Source/core/fetch/ResourceFetcher.h b/Source/core/fetch/ResourceFetcher.h
index 76f8990c5d7af4eb9994143ac1c63bb7e3b2e763..bff6c7b901179e6706429a16d2ec66e66a11a6eb 100644
--- a/Source/core/fetch/ResourceFetcher.h
+++ b/Source/core/fetch/ResourceFetcher.h
@@ -184,7 +184,7 @@ private:
     enum RevalidationPolicy { Use, Revalidate, Reload, Load };
     RevalidationPolicy determineRevalidationPolicy(Resource::Type, const FetchRequest&, Resource* existingResource) const;
 
-    void determineTargetType(ResourceRequest&, Resource::Type);
+    void determineRequestContext(ResourceRequest&, Resource::Type);
     ResourceRequestCachePolicy resourceRequestCachePolicy(const ResourceRequest&, Resource::Type);
     void addAdditionalRequestHeaders(ResourceRequest&, Resource::Type);