[DevTools] Added public method for async execution of scripts

Source/bindings/core/v8/ScheduledActionBase.cpp

+/*
+ * Copyright (C) 2007-2009 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "bindings/core/v8/ScheduledActionBase.h"
+
+#include "bindings/core/v8/ScriptController.h"
+#include "core/dom/Document.h"
+#include "core/dom/ExecutionContext.h"
+#include "core/frame/LocalFrame.h"
+#include "core/workers/WorkerGlobalScope.h"
+#include "platform/Logging.h"
+#include "platform/TraceEvent.h"
+
+namespace blink {
+
+ScheduledActionBase::ScheduledActionBase()
+{
+}
+
+ScheduledActionBase::~ScheduledActionBase()
+{
+}
+
+void ScheduledActionBase::execute(ExecutionContext* context)
+{
+    if (context->isDocument()) {
+        LocalFrame* frame = toDocument(context)->frame();
+        if (!frame) {
+            WTF_LOG(Timers, "ScheduledAction::execute %p: no frame", this);
+            return;
+        }
+        if (!frame->script().canExecuteScripts(AboutToExecuteScript)) {
+            WTF_LOG(Timers, "ScheduledAction::execute %p: frame can not execute scripts", this);
+            return;
+        }
+        execute(frame);
+    } else {
+        WTF_LOG(Timers, "ScheduledAction::execute %p: worker scope", this);
+        execute(toWorkerGlobalScope(context));
+    }
+}
+
+} // namespace blink