Chromium side patch for DB support on Linux.

webkit/api/public/WebKitClient.h

 /*
  * 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
@@ skipping 104 matching lines @@
         virtual bool isLinkVisited(unsigned long long linkHash) = 0;
 
         // HTML5 DB ------------------------------------------------------------
 
 #if defined(OS_WIN)
         typedef HANDLE FileType;
 #else
         typedef int FileType;
 #endif
 
-        // Opens a database file
-        virtual FileType databaseOpenFile(const WebString& fileName, int desiredFlags) = 0;
+        // Opens a database file; dirHandle should be NULL if the caller does not need
+        // a handle to the directory containing this file
+        virtual FileType databaseOpenFile(const WebString& fileName, int desiredFlags, FileType* dirHandle) = 0;
 
         // Deletes a database file and returns the error code
-        virtual bool databaseDeleteFile(const WebString& fileName) = 0;
+        virtual int databaseDeleteFile(const WebString& fileName, bool syncDir) = 0;
 
         // Returns the attributes of the given database file
         virtual long databaseGetFileAttributes(const WebString& fileName) = 0;
 
         // Returns the size of the given database file
         virtual long long databaseGetFileSize(const WebString& fileName) = 0;
 
 
         // Message Ports -------------------------------------------------------
 
@@ skipping 78 matching lines @@
         // Callable from a background WebKit thread.
         virtual void callOnMainThread(void (*func)()) = 0;
 
     protected:
         ~WebKitClient() { }
     };
 
 } // namespace WebKit
 
 #endif