[wasm] Rename wasm::LocalType to wasm::ValueType and kAst* to kWasm*

test/mjsunit/wasm/instantiate-module-basic.js

 // 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.
 
 // Flags: --expose-wasm
 
 load("test/mjsunit/wasm/wasm-constants.js");
 load("test/mjsunit/wasm/wasm-module-builder.js");
 
 let kReturnValue = 117;
@@ skipping 100 matching lines @@
     let instance_1 = new WebAssembly.Instance(compiled_module);
     let instance_2 = new WebAssembly.Instance(compiled_module);
     assertTrue(instance_1 != instance_2);
   });
 })();
 
 (function InstancesAreIsolatedFromEachother() {
   print("InstancesAreIsolatedFromEachother...");
   var builder = new WasmModuleBuilder();
   builder.addMemory(1,1, true);
-  var kSig_v_i = makeSig([kAstI32], []);
+  var kSig_v_i = makeSig([kWasmI32], []);
   var signature = builder.addType(kSig_v_i);
   builder.addImport("m", "some_value", kSig_i_v);
   builder.addImport("m", "writer", signature);
 
   builder.addFunction("main", kSig_i_i)
     .addBody([
       kExprGetLocal, 0,
       kExprI32LoadMem, 0, 0,
       kExprI32Const, 1,
       kExprCallIndirect, signature, kTableZero,
@@ skipping 33 matching lines @@
   assertEquals(43, i1.exports.main(0));
   assertEquals(1002, i2.exports.main(0));
 
   assertEquals(42, outval_1);
   assertEquals(1000, outval_2);
 })();
 
 (function GlobalsArePrivateToTheInstance() {
   print("GlobalsArePrivateToTheInstance...");
     var builder = new WasmModuleBuilder();
-    builder.addGlobal(kAstI32, true);
+    builder.addGlobal(kWasmI32, true);
     builder.addFunction("read", kSig_i_v)
         .addBody([
             kExprGetGlobal, 0])
         .exportFunc();
 
     builder.addFunction("write", kSig_v_i)
         .addBody([
             kExprGetLocal, 0,
             kExprSetGlobal, 0])
         .exportFunc();
@@ skipping 33 matching lines @@
   assertEquals(1, i1.exports.f());
   assertEquals(1000, i2.exports.f());
 })();
 
 (function MustBeMemory() {
   print("MustBeMemory...");
   var memory = new ArrayBuffer(65536);
   var module = new WebAssembly.Module(buffer);
   assertThrows(() => new WebAssembly.Instance(module, null, memory), TypeError);
 })();