Fixes a crash when entering a negative index with chrome.tabs.move ....

chrome/renderer/resources/json_schema.js

Index: chrome/renderer/resources/json_schema.js
===================================================================
--- chrome/renderer/resources/json_schema.js	(revision 65777)
+++ chrome/renderer/resources/json_schema.js	(working copy)
@@ -105,7 +105,7 @@
  */
 chromeHidden.JSONSchemaValidator.getType = function(value) {
   var s = typeof value;
-
+  var maxInt = -1 >>> 1;

[Aaron Boodman, 2010/11/18 23:04:35]

This is not the largest representable integer in JavaScript. That honor goes to
Math.pow(2, 53). For background on why this is, see:
http://en.wikipedia.org/wiki/Double_precision

   if (s == "object") {
     if (value === null) {
       return "null";
@@ -114,7 +114,7 @@
       return "array";
     }
   } else if (s == "number") {
-    if (value % 1 == 0) {
+    if ((value % 1 == 0) && (Math.abs(value) <= maxInt)) {
       return "integer";
     }
   }
@@ -380,10 +380,10 @@
  */
 chromeHidden.JSONSchemaValidator.prototype.validateString = function(
     instance, schema, path) {
-  if (schema.minLength && instance.length < schema.minLength)
+  if ('minLength' in schema && instance.length < schema.minLength)
     this.addError(path, "stringMinLength", [schema.minLength]);
 
-  if (schema.maxLength && instance.length > schema.maxLength)
+  if ('maxLength' in schema && instance.length > schema.maxLength)
     this.addError(path, "stringMaxLength", [schema.maxLength]);
 
   if (schema.pattern && !schema.pattern.test(instance))
@@ -405,10 +405,10 @@
       instance == Number.NEGATIVE_INFINITY )
     this.addError(path, "numberFiniteNotNan", [instance]);
 
-  if (schema.minimum && instance < schema.minimum)
+  if ('minimum' in schema && instance < schema.minimum)
     this.addError(path, "numberMinValue", [schema.minimum]);
 
-  if (schema.maximum && instance > schema.maximum)
+  if ('maximum' in schema && instance > schema.maximum)
     this.addError(path, "numberMaxValue", [schema.maximum]);
 
   if (schema.maxDecimal && instance * Math.pow(10, schema.maxDecimal) % 1)