Cache API should not match() HEAD requests

third_party/WebKit/Source/modules/cachestorage/CacheStorage.cpp

Index: third_party/WebKit/Source/modules/cachestorage/CacheStorage.cpp
diff --git a/third_party/WebKit/Source/modules/cachestorage/CacheStorage.cpp b/third_party/WebKit/Source/modules/cachestorage/CacheStorage.cpp
index ec8460cdf35ef6adfb7aca6dfbaa9593b0e5cf41..526ed8a7e71513fdcc5e23341a8984e03becb0f6 100644
--- a/third_party/WebKit/Source/modules/cachestorage/CacheStorage.cpp
+++ b/third_party/WebKit/Source/modules/cachestorage/CacheStorage.cpp
@@ -320,6 +320,11 @@ ScriptPromise CacheStorage::matchImpl(ScriptState* scriptState, const Request* r
     ScriptPromiseResolver* resolver = ScriptPromiseResolver::create(scriptState);
     const ScriptPromise promise = resolver->promise();
 
+    if (request->method() != HTTPNames::GET && !options.ignoreMethod()) {
+        resolver->resolve();
+        return promise;
+    }
+
     if (m_webCacheStorage)
         m_webCacheStorage->dispatchMatch(new MatchCallbacks(resolver), webRequest, Cache::toWebQueryParams(options));
     else