Split Resource::Status into a separate file

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

Index: third_party/WebKit/Source/core/fetch/Resource.cpp
diff --git a/third_party/WebKit/Source/core/fetch/Resource.cpp b/third_party/WebKit/Source/core/fetch/Resource.cpp
index 5d93a5a9bce4e2328be4abdc813bf0abd1c92d25..623946bb4015e1c910d53b6860910681ebebcdfc 100644
--- a/third_party/WebKit/Source/core/fetch/Resource.cpp
+++ b/third_party/WebKit/Source/core/fetch/Resource.cpp
@@ -301,6 +301,12 @@ void Resource::ResourceCallback::runTask() {
     resource->finishPendingClients();
 }
 
+constexpr Resource::Status Resource::NotStarted;
+constexpr Resource::Status Resource::Pending;
+constexpr Resource::Status Resource::Cached;
+constexpr Resource::Status Resource::LoadError;
+constexpr Resource::Status Resource::DecodeError;
+
 Resource::Resource(const ResourceRequest& request,
                    Type type,
                    const ResourceLoaderOptions& options)