[wasm] Support a two-level namespace for imports.

src/compiler/wasm-compiler.h

Index: src/compiler/wasm-compiler.h
diff --git a/src/compiler/wasm-compiler.h b/src/compiler/wasm-compiler.h
index d544caada7326ebaa0ca901a776781cb082ac609..67e5e1688a357a950b117ef59b30f0046d247168 100644
--- a/src/compiler/wasm-compiler.h
+++ b/src/compiler/wasm-compiler.h
@@ -40,7 +40,9 @@ Handle<Code> CompileWasmFunction(wasm::ErrorThrower& thrower, Isolate* isolate,
 // Wraps a JS function, producing a code object that can be called from WASM.
 Handle<Code> CompileWasmToJSWrapper(Isolate* isolate, wasm::ModuleEnv* module,
                                     Handle<JSFunction> function,
-                                    wasm::FunctionSig* sig, const char* name);
+                                    wasm::FunctionSig* sig,
+                                    const char* module_name,
+                                    const char* function_name);
 
 // Wraps a given wasm code object, producing a JSFunction that can be called
 // from JavaScript.