Unify logic of stack trace generation for extension errors

extensions/renderer/resources/schema_utils.js

Index: extensions/renderer/resources/schema_utils.js
diff --git a/extensions/renderer/resources/schema_utils.js b/extensions/renderer/resources/schema_utils.js
index c0cb77712f28e7ebb32e5c9ab2b39ace49fd73df..a2d38664f1020ff66673d7398ba3ad42b866d83e 100644
--- a/extensions/renderer/resources/schema_utils.js
+++ b/extensions/renderer/resources/schema_utils.js
@@ -12,7 +12,7 @@ var schemaValidator = new JSONSchemaValidator();
 // Validate arguments.
 function validate(args, parameterSchemas) {
   if (args.length > parameterSchemas.length)
-    throw new Error("Too many arguments.");
+    throw new $Error.self("Too many arguments.");
   for (var i = 0; i < parameterSchemas.length; i++) {
     if (i in args && args[i] !== null && args[i] !== undefined) {
       schemaValidator.resetErrors();
@@ -31,9 +31,9 @@ function validate(args, parameterSchemas) {
       }
       message = message.substring(0, message.length - 2);
       message += ".";
-      throw new Error(message);
+      throw new $Error.self(message);
     } else if (!parameterSchemas[i].optional) {
-      throw new Error("Parameter " + (i + 1) + " (" +
+      throw new $Error.self("Parameter " + (i + 1) + " (" +
           parameterSchemas[i].name + ") is required.");
     }
   }
@@ -110,7 +110,7 @@ function normalizeArgumentsAndValidate(args, funDef) {
   var definedSignature = funDef.definition.parameters;
   var resolvedSignature = resolveSignature(args, definedSignature);
   if (!resolvedSignature)
-    throw new Error("Invocation of form " +
+    throw new $Error.self("Invocation of form " +

[not at google - send to devlin, 2014/08/19 16:45:56]

new Error() for this whole file.

         getArgumentSignatureString(funDef.name, args) +
         " doesn't match definition " +
         getParameterSignatureString(funDef.name, definedSignature));