[wasm] Add support for exporting WebAssembly.Table instances.

test/mjsunit/wasm/wasm-module-builder.js

Index: test/mjsunit/wasm/wasm-module-builder.js
diff --git a/test/mjsunit/wasm/wasm-module-builder.js b/test/mjsunit/wasm/wasm-module-builder.js
index e3311c1cb620f8d798b9a6a8120e0c189c295768..85b2638eb1224164e2b9785dd012931ecc5c05e0 100644
--- a/test/mjsunit/wasm/wasm-module-builder.js
+++ b/test/mjsunit/wasm/wasm-module-builder.js
@@ -120,7 +120,8 @@ class WasmGlobalBuilder {
   }
 
   exportAs(name) {
-    this.module.exports.push({name: name, kind: kExternalGlobal, index: this.index});
+    this.module.exports.push({name: name, kind: kExternalGlobal,
+                              index: this.index});
     return this;
   }
 }
@@ -197,7 +198,8 @@ class WasmModuleBuilder {
   }
 
   addImportedMemory(module, name, initial = 0, maximum) {
-    let o = {module: module, name: name, kind: kExternalMemory, initial: initial, maximum: maximum};
+    let o = {module: module, name: name, kind: kExternalMemory,
+             initial: initial, maximum: maximum};
     this.imports.push(o);
     return this;
   }
@@ -207,6 +209,11 @@ class WasmModuleBuilder {
     return this;
   }
 
+  addExportOfKind(name, kind, index) {
+    this.exports.push({name: name, kind: kind, index: index});
+    return this;
+  }
+
   addDataSegment(addr, data, is_global = false) {
     this.segments.push({addr: addr, data: data, is_global: is_global});
     return this.segments.length - 1;
@@ -217,10 +224,13 @@ class WasmModuleBuilder {
   }
 
   addFunctionTableInit(base, is_global, array) {
-    this.function_table_inits.push({base: base, is_global: is_global, array: array});
+    this.function_table_inits.push({base: base, is_global: is_global,
+                                    array: array});
     if (!is_global) {
       var length = base + array.length;
-      if (length > this.function_table_length) this.function_table_length = length;
+      if (length > this.function_table_length) {
+        this.function_table_length = length;
+      }
     }
     return this;
   }