Create ResourceProgressEvent, expose as Chromium API

Source/WebKit/chromium/src/WebDOMProgressEvent.cpp

Index: Source/WebKit/chromium/src/WebDOMProgressEvent.cpp
diff --git a/Source/Platform/chromium/public/WebExternalTextureMailbox.h b/Source/WebKit/chromium/src/WebDOMProgressEvent.cpp
similarity index 79%
copy from Source/Platform/chromium/public/WebExternalTextureMailbox.h
copy to Source/WebKit/chromium/src/WebDOMProgressEvent.cpp
index 785e9181ae0c05a2448245a4d39e45452a63bd24..60289fdc40c4fc4e13051ec25b93fc9035c17f70 100644
--- a/Source/Platform/chromium/public/WebExternalTextureMailbox.h
+++ b/Source/WebKit/chromium/src/WebDOMProgressEvent.cpp
@@ -28,22 +28,21 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef WebExternalTextureMailbox_h
-#define WebExternalTextureMailbox_h
+#include "config.h"
+#include "WebDOMProgressEvent.h"
 
-namespace WebKit {
+#include "core/dom/ProgressEvent.h"
+#include <public/WebString.h>
+
+using namespace WebCore;
 
-struct WebExternalTextureMailbox {
-    signed char name[64];
-    unsigned syncPoint;
+namespace WebKit {
 
-    WebExternalTextureMailbox()
-        : syncPoint(0)
-    {
-        memset(name, 0, sizeof(name));
-    }
-};
+WebDOMProgressEvent::WebDOMProgressEvent(const WebString& type, bool lengthIsComputable, unsigned long long loaded, unsigned long long total)
+    : WebDOMEvent(ProgressEvent::create(type, lengthIsComputable, loaded, total))
+{
+    ASSERT(m_private);
+    ASSERT(isProgressEvent());
+}
 
 } // namespace WebKit
-
-#endif // WebExternalTextureMailbox_h