WebKit merge 40668:40722 part 1.

third_party/WebKit/JavaScriptCore/wtf/chromium/ChromiumThreading.h

Index: third_party/WebKit/JavaScriptCore/wtf/chromium/ChromiumThreading.h
===================================================================
--- third_party/WebKit/JavaScriptCore/wtf/chromium/ChromiumThreading.h	(revision 0)
+++ third_party/WebKit/JavaScriptCore/wtf/chromium/ChromiumThreading.h	(revision 0)
@@ -0,0 +1,45 @@
+/*
+* Copyright (C) 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.
+*/
+
+#ifndef ChromiumThreading_h
+#define ChromiumThreading_h
+
+namespace WTF {
+
+    // An interface to the embedding layer, which provides threading support.
+    class ChromiumThreading {
+    public:
+        static void initializeMainThread();
+        static void scheduleDispatchFunctionsOnMainThread();
+    };
+
+} // namespace WTF
+
+#endif // ChromiumThreading_h