[wasm] GrowMemory should use maximum size declared in WebAssembly.Memory

test/mjsunit/wasm/wasm-constants.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
 
 function bytes() {
   var buffer = new ArrayBuffer(arguments.length);
   var view = new Uint8Array(buffer);
   for (var i = 0; i < arguments.length; i++) {
@@ skipping 355 matching lines @@
         eval(code);
       }
     } catch (e) {
       assertEquals("number", typeof e);
       assertEquals(value, e);
       // Success.
       return;
     }
     throw new MjsUnitAssertionError("Did not throw at all, expected: " + value);
 }
+
+function assertWasmError(code) {
+    try {

[bradnelson, 2016/10/17 22:13:25]

Intent is  weird here.

[bradnelson, 2016/10/17 22:23:26]

Indent I mean

[gdeepti, 2016/10/18 02:34:17]

Removed this function because assertThrows covers all use cases of this.

+      if (typeof code === 'function') {
+        code();
+      } else {
+        eval(code);
+      }
+    } catch (e) {
+      assertEquals("object", typeof e);
+      // Success
+      return;
+    }
+    throw new MjsUnitAssertionError("Did not throw, expected error");
+}