[WIP] WebFonts cache-aware timeout adaption

third_party/WebKit/Source/core/fetch/ResourceLoader.cpp

Index: third_party/WebKit/Source/core/fetch/ResourceLoader.cpp
diff --git a/third_party/WebKit/Source/core/fetch/ResourceLoader.cpp b/third_party/WebKit/Source/core/fetch/ResourceLoader.cpp
index 86aef8465bb1cceb8d75a3123e94c0e45200e346..0b88c61eb4f84d725c7a9a02a2fdcafcfba30588 100644
--- a/third_party/WebKit/Source/core/fetch/ResourceLoader.cpp
+++ b/third_party/WebKit/Source/core/fetch/ResourceLoader.cpp
@@ -136,6 +136,15 @@ bool ResourceLoader::willFollowRedirect(
   DCHECK(!passedNewRequest.isNull());
   DCHECK(!passedRedirectResponse.isNull());
 
+  if (m_resource->resourceRequest().isCacheAwareLoadingActivated()) {
+    // Fail as cache miss, then reload with original request in
+    // ResourceFetcher::didFailLoading().
+    ResourceError error;
+    error.setIsCacheMiss(true);
+    didFail(nullptr, error);
+    return false;
+  }
+
   ResourceRequest& newRequest(passedNewRequest.toMutableResourceRequest());
   const ResourceResponse& redirectResponse(
       passedRedirectResponse.toResourceResponse());