Revert of [wasm] Master CL for Binary 0xC changes.

test/mjsunit/wasm/receiver.js

 // Copyright 2016 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.
 
 // Flags: --expose-wasm
 
 load("test/mjsunit/wasm/wasm-constants.js");
 load("test/mjsunit/wasm/wasm-module-builder.js");
 
 function testCallImport(func, expected, a, b) {
   var builder = new WasmModuleBuilder();
 
   var sig_index = builder.addType(kSig_i_dd);
   builder.addImport("func", sig_index);
   builder.addFunction("main", sig_index)
     .addBody([
       kExprGetLocal, 0,            // --
       kExprGetLocal, 1,            // --
-      kExprCallFunction, 0])         // --
+      kExprCallImport, 2, 0])      // --
     .exportAs("main");
 
   var main = builder.instantiate({func: func}).exports.main;
 
   assertEquals(expected, main(a, b));
 }
 
 var global = (function() { return this; })();
 
 function sloppyReceiver(a, b) {
   assertEquals(global, this);
   assertEquals(33.3, a);
   assertEquals(44.4, b);
   return 11;
 }
 
 function strictReceiver(a, b) {
   'use strict';
   assertEquals(undefined, this);
   assertEquals(55.5, a);
   assertEquals(66.6, b);
   return 22;
 }
 
 testCallImport(sloppyReceiver, 11, 33.3, 44.4);
 testCallImport(strictReceiver, 22, 55.5, 66.6);