Enable layout tests: worker-constructor.html and worker-script-error.html....

webkit/glue/webworkerclient_impl.cc

Index: webkit/glue/webworkerclient_impl.cc
===================================================================
--- webkit/glue/webworkerclient_impl.cc	(revision 21664)
+++ webkit/glue/webworkerclient_impl.cc	(working copy)
@@ -212,10 +212,17 @@
     return;
   }
 
-  script_execution_context_->reportException(
-      webkit_glue::WebStringToString(error_message),
-      line_number,
-      webkit_glue::WebStringToString(source_url));
+  bool handled = false;
+  if (worker_->onerror())
+    handled = worker_->dispatchScriptErrorEvent(
+        webkit_glue::WebStringToString(error_message),
+        webkit_glue::WebStringToString(source_url),
+        line_number);
+  if (!handled)
+    script_execution_context_->reportException(
+        webkit_glue::WebStringToString(error_message),
+        line_number,
+        webkit_glue::WebStringToString(source_url));
 }
 
 void WebWorkerClientImpl::postConsoleMessageToWorkerObject(
@@ -325,8 +332,13 @@
     const WebCore::String& error_message,
     int line_number,
     const WebCore::String& source_url) {
-  this_ptr->script_execution_context_->reportException(
-      error_message, line_number, source_url);
+  bool handled = false;
+  if (this_ptr->worker_ && this_ptr->worker_->onerror())
+    handled = this_ptr->worker_->dispatchScriptErrorEvent(
+        error_message, source_url, line_number);
+  if (!handled)
+    this_ptr->script_execution_context_->reportException(
+        error_message, line_number, source_url);
 }
 
 void WebWorkerClientImpl::PostConsoleMessageToWorkerObjectTask(