Move weborigin/ under platform/ so that it may someday call platform APIs

Source/platform/weborigin/DatabaseIdentifier.h

Index: Source/platform/weborigin/DatabaseIdentifier.h
diff --git a/Source/weborigin/DatabaseIdentifier.h b/Source/platform/weborigin/DatabaseIdentifier.h
similarity index 86%
rename from Source/weborigin/DatabaseIdentifier.h
rename to Source/platform/weborigin/DatabaseIdentifier.h
index 6389f25f104fb8634b9f486c686f70ea1fa34fb3..9c90b7181c8b131a75cc5fc3d0a4f8fbf6ef690a 100644
--- a/Source/weborigin/DatabaseIdentifier.h
+++ b/Source/platform/weborigin/DatabaseIdentifier.h
@@ -29,14 +29,14 @@
 #ifndef DatabaseIdentifier_h
 #define DatabaseIdentifier_h
 
-#include "weborigin/SecurityOrigin.h"
-#include "weborigin/WebOriginExport.h"
+#include "platform/weborigin/SecurityOrigin.h"
+#include "platform/PlatformExport.h"
 #include "wtf/text/WTFString.h"
 
 namespace WebCore {
 
-WEBORIGIN_EXPORT PassRefPtr<SecurityOrigin> createSecurityOriginFromDatabaseIdentifier(const String&);
-WEBORIGIN_EXPORT String createDatabaseIdentifierFromSecurityOrigin(const SecurityOrigin*);
+PLATFORM_EXPORT PassRefPtr<SecurityOrigin> createSecurityOriginFromDatabaseIdentifier(const String&);
+PLATFORM_EXPORT String createDatabaseIdentifierFromSecurityOrigin(const SecurityOrigin*);
 
 } // namespace WebCore