[NativeFS] Pass in ExecutionContext to Runtime Features checks.

In preparation of making these features origin trial controlled, switch to
the version of RuntimeEnabledFeatures::FooEnabled calls that accepts
a FeatureContext.

Bug: 853326
Change-Id: Ie73d4ee810887068b397ed8fa642b73cac98b83f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2095401Reviewed-by: Nate Chapin <japhet@chromium.org>
Commit-Queue: Marijn Kruisselbrink <mek@chromium.org>
Cr-Commit-Position: refs/heads/master@{#748966}

third_party/blink/renderer/bindings/core/v8/serialization/v8_script_value_serializer.h

@@ -47,6 +47,8 @@ class CORE_EXPORT V8ScriptValueSerializer
   // DataCloneError message will be used.
   virtual bool WriteDOMObject(ScriptWrappable*, ExceptionState&);
 
+  ScriptState* GetScriptState() const { return script_state_; }
+
   void WriteTag(SerializationTag tag) {
     uint8_t tag_byte = tag;
     serializer_.WriteRawBytes(&tag_byte, 1);

third_party/blink/renderer/bindings/modules/v8/serialization/v8_script_value_deserializer_for_modules.cc

@@ -302,7 +302,8 @@ CryptoKey* V8ScriptValueDeserializerForModules::ReadCryptoKey() {
 NativeFileSystemHandle*
 V8ScriptValueDeserializerForModules::ReadNativeFileSystemHandle(
     SerializationTag tag) {
-  if (!RuntimeEnabledFeatures::CloneableNativeFileSystemHandlesEnabled()) {
+  if (!RuntimeEnabledFeatures::CloneableNativeFileSystemHandlesEnabled(
+          ExecutionContext::From(GetScriptState()))) {
     return nullptr;
   }
 

third_party/blink/renderer/bindings/modules/v8/serialization/v8_script_value_serializer_for_modules.cc

@@ -53,13 +53,15 @@ bool V8ScriptValueSerializerForModules::WriteDOMObject(
     return true;
   }
   if (wrapper_type_info == V8FileSystemFileHandle::GetWrapperTypeInfo() &&
-      RuntimeEnabledFeatures::CloneableNativeFileSystemHandlesEnabled()) {
+      RuntimeEnabledFeatures::CloneableNativeFileSystemHandlesEnabled(
+          ExecutionContext::From(GetScriptState()))) {
     return WriteNativeFileSystemHandle(
         kNativeFileSystemFileHandleTag,
         wrappable->ToImpl<NativeFileSystemHandle>());
   }
   if (wrapper_type_info == V8FileSystemDirectoryHandle::GetWrapperTypeInfo() &&
-      RuntimeEnabledFeatures::CloneableNativeFileSystemHandlesEnabled()) {
+      RuntimeEnabledFeatures::CloneableNativeFileSystemHandlesEnabled(
+          ExecutionContext::From(GetScriptState()))) {
     return WriteNativeFileSystemHandle(
         kNativeFileSystemDirectoryHandleTag,
         wrappable->ToImpl<NativeFileSystemHandle>());