[wasm] No need for ModuleEnv when building import wrappers.

src/compiler/wasm-compiler.h

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_COMPILER_WASM_COMPILER_H_
 #define V8_COMPILER_WASM_COMPILER_H_
 
 // Clients of this interface shouldn't depend on lots of compiler internals.
 // Do not include anything from src/compiler here!
 #include "src/compiler.h"
@@ skipping 59 matching lines @@
   JSGraph* jsgraph_;
   Zone compilation_zone_;
   CompilationInfo info_;
   base::SmartPointer<CompilationJob> job_;
   uint32_t index_;
   wasm::Result<wasm::Tree*> graph_construction_result_;
   bool ok_;
 };
 
 // Wraps a JS function, producing a code object that can be called from WASM.
-Handle<Code> CompileWasmToJSWrapper(Isolate* isolate, wasm::ModuleEnv* module,
+Handle<Code> CompileWasmToJSWrapper(Isolate* isolate,
                                     Handle<JSFunction> function,
                                     wasm::FunctionSig* sig,
                                     wasm::WasmName module_name,
                                     wasm::WasmName function_name);
 
 // Wraps a given wasm code object, producing a JSFunction that can be called
 // from JavaScript.
 Handle<JSFunction> CompileJSToWasmWrapper(
     Isolate* isolate, wasm::ModuleEnv* module, Handle<String> name,
     Handle<Code> wasm_code, Handle<JSObject> module_object, uint32_t index);
@@ skipping 250 matching lines @@
     Node** buf = Buffer(new_count);
     if (buf != buffer) memcpy(buf, buffer, old_count * sizeof(Node*));
     return buf;
   }
 };
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_WASM_COMPILER_H_