[wasm] consolidate wasm and asm.js module compilation sequence

src/wasm/wasm-module.cc

Index: src/wasm/wasm-module.cc
diff --git a/src/wasm/wasm-module.cc b/src/wasm/wasm-module.cc
index 7a276dfc94e0597c0b6922d2291d7ac00520c0a2..ec881d19f17e7355e5da00c81680d0418bd59629 100644
--- a/src/wasm/wasm-module.cc
+++ b/src/wasm/wasm-module.cc
@@ -1640,6 +1640,25 @@ Handle<JSObject> CreateCompiledModuleObject(
   return module_obj;
 }
 
+MaybeHandle<JSObject> CreateModuleObjectFromBytes(
+    Isolate* isolate, const byte* start, const byte* end, ErrorThrower* thrower,
+    bool verify, ModuleOrigin origin) {
+  MaybeHandle<JSObject> nothing;
+  Zone zone(isolate->allocator());
+  ModuleResult result =
+      DecodeWasmModule(isolate, &zone, start, end, verify, origin);
+  std::unique_ptr<const WasmModule> decoded_module(result.val);
+  if (result.failed()) {
+    thrower->Failed("Wasm decoding failed", result);
+    return nothing;
+  }
+  MaybeHandle<FixedArray> compiled_module =
+      decoded_module->CompileFunctions(isolate, thrower);
+  if (compiled_module.is_null()) return nothing;
+
+  return CreateCompiledModuleObject(isolate, compiled_module.ToHandleChecked());
+}
+
 namespace testing {
 
 int32_t CompileAndRunWasmModule(Isolate* isolate, const byte* module_start,