CacheStorage: Expand cache.keys() method.

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

Index: third_party/WebKit/Source/modules/cachestorage/CacheTest.cpp
diff --git a/third_party/WebKit/Source/modules/cachestorage/CacheTest.cpp b/third_party/WebKit/Source/modules/cachestorage/CacheTest.cpp
index 0d39207686eb2f39d9252a6c3c0b517d7a3aa349..17a4d7cb1ad082d581f5d12afd637942f21e896e 100644
--- a/third_party/WebKit/Source/modules/cachestorage/CacheTest.cpp
+++ b/third_party/WebKit/Source/modules/cachestorage/CacheTest.cpp
@@ -131,11 +131,11 @@ public:
         return callbacks->onError(m_error);
     }
 
-    void dispatchKeys(CacheWithRequestsCallbacks* callbacks, const WebServiceWorkerRequest* webRequest, const QueryParams& queryParams) override
+    void dispatchKeys(CacheWithRequestsCallbacks* callbacks, const WebServiceWorkerRequest& webRequest, const QueryParams& queryParams) override
     {
         m_lastErrorWebCacheMethodCalled = "dispatchKeys";
-        if (webRequest) {
-            checkUrlIfProvided(webRequest->url());
+        if (!webRequest.url().isEmpty()) {
+            checkUrlIfProvided(webRequest.url());
             checkQueryParamsIfProvided(queryParams);
         }
 
@@ -513,7 +513,7 @@ public:
     KeysTestCache(WebVector<WebServiceWorkerRequest>& requests)
         : m_requests(requests) { }
 
-    void dispatchKeys(CacheWithRequestsCallbacks* callbacks, const WebServiceWorkerRequest* webRequest, const QueryParams& queryParams) override
+    void dispatchKeys(CacheWithRequestsCallbacks* callbacks, const WebServiceWorkerRequest& webRequest, const QueryParams& queryParams) override
     {
         std::unique_ptr<CacheWithRequestsCallbacks> ownedCallbacks(wrapUnique(callbacks));
         return callbacks->onSuccess(m_requests);