Cache API should not match() HEAD requests

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

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "modules/cachestorage/CacheStorage.h"
 
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "bindings/core/v8/ScriptState.h"
 #include "core/dom/DOMException.h"
 #include "core/dom/ExceptionCode.h"
@@ skipping 302 matching lines @@
 
 ScriptPromise CacheStorage::matchImpl(ScriptState* scriptState, const Request* request, const CacheQueryOptions& options)
 {
     WebServiceWorkerRequest webRequest;
     request->populateWebServiceWorkerRequest(webRequest);
     checkCacheQueryOptions(options, scriptState->getExecutionContext());
 
     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
         resolver->reject(createNoImplementationException());
 
     return promise;
 }
 
 CacheStorage::CacheStorage(GlobalFetch::ScopedFetcher* fetcher, std::unique_ptr<WebServiceWorkerCacheStorage> webCacheStorage)
     : m_scopedFetcher(fetcher)
@@ skipping 10 matching lines @@
     m_webCacheStorage.reset();
 }
 
 DEFINE_TRACE(CacheStorage)
 {
     visitor->trace(m_scopedFetcher);
     visitor->trace(m_nameToCacheMap);
 }
 
 } // namespace blink