Introducing the WebServiceWorkerCache.

Source/modules/serviceworkers/CacheStorage.cpp

Index: Source/modules/serviceworkers/CacheStorage.cpp
diff --git a/Source/modules/serviceworkers/CacheStorage.cpp b/Source/modules/serviceworkers/CacheStorage.cpp
index 080745575e725b31b980345d7f652d2b8096b435..1a4db5129bdac49034d68bdcd562100f76edff29 100644
--- a/Source/modules/serviceworkers/CacheStorage.cpp
+++ b/Source/modules/serviceworkers/CacheStorage.cpp
@@ -56,6 +56,11 @@ public:
 
     virtual void onSuccess(WebServiceWorkerCache* cache) OVERRIDE
     {
+        // FIXME: Remove this once content's WebServiceWorkerCache implementation has landed.
+        if (!cache) {
+            m_resolver->reject("not implemented");
+            return;
+        }
         m_resolver->resolve(Cache::fromWebServiceWorkerCache(cache));
         m_resolver.clear();
     }
@@ -63,7 +68,7 @@ public:
     virtual void onError(WebServiceWorkerCacheError* reason) OVERRIDE
     {
         if (*reason == WebServiceWorkerCacheErrorNotFound)
-            m_resolver->resolve();
+            m_resolver->resolve(false);
         else
             m_resolver->resolve(Cache::domExceptionForCacheError(*reason));
         m_resolver.clear();