[wasm] Implement the WebAssembly.Module.imports function.

src/wasm/wasm-module.h

Index: src/wasm/wasm-module.h
diff --git a/src/wasm/wasm-module.h b/src/wasm/wasm-module.h
index f84a1a837e4c18d4481c77a2f7d782b0dbd218f5..372c60aa52ee11411a30bb0bcfcd39df59d3dd6a 100644
--- a/src/wasm/wasm-module.h
+++ b/src/wasm/wasm-module.h
@@ -396,6 +396,9 @@ V8_EXPORT_PRIVATE MaybeHandle<WasmModuleObject> CreateModuleObjectFromBytes(
     ModuleOrigin origin, Handle<Script> asm_js_script,
     Vector<const byte> asm_offset_table);
 
+V8_EXPORT_PRIVATE Handle<JSArray> GetImports(Isolate* isolate,
+                                             Handle<WasmModuleObject> module);
+
 V8_EXPORT_PRIVATE bool ValidateModuleBytes(Isolate* isolate, const byte* start,
                                            const byte* end,
                                            ErrorThrower* thrower,