Remove ResourceFetcher::preloads

third_party/WebKit/Source/platform/loader/fetch/ResourceFetcher.h

Index: third_party/WebKit/Source/platform/loader/fetch/ResourceFetcher.h
diff --git a/third_party/WebKit/Source/platform/loader/fetch/ResourceFetcher.h b/third_party/WebKit/Source/platform/loader/fetch/ResourceFetcher.h
index a06b44a863689b26cb86bc50e0f81d909a245cca..46aef1ee140a52efcfd1350d487841c78d6eb72b 100644
--- a/third_party/WebKit/Source/platform/loader/fetch/ResourceFetcher.h
+++ b/third_party/WebKit/Source/platform/loader/fetch/ResourceFetcher.h
@@ -139,8 +139,9 @@ class PLATFORM_EXPORT ResourceFetcher
   // Calling this method before main document resource is fetched is invalid.
   ResourceTimingInfo* getNavigationTimingInfo();
 
-  // This is only exposed for testing purposes.
-  HeapListHashSet<Member<Resource>>* preloads() { return m_preloads.get(); }
+  bool containsAsPreloadForTesting(Resource* resource) const {
+    return m_preloads && m_preloads->contains(resource);
+  }
 
   // Workaround for https://crbug.com/666214.
   // TODO(hiroshige): Remove this hack.