[BlackBerry] Upstream the filesystem code
https://bugs.webkit.org/show_bug.cgi?id=114437

Patch by Alberto Garcia <agarcia@igalia.com> on 2013-04-12
Reviewed by Rob Buis.

These are the changes for AsyncFileSystemBlackBerry.

This patch contains contributions from many members of the
BlackBerry WebKit team.

* platform/blackberry/AsyncFileSystemBlackBerry.cpp:
(WebCore::AsyncFileSystem::isAvailable):
(WebCore):
(WebCore::AsyncFileSystem::create):
(WebCore::AsyncFileSystem::openFileSystem):
(WebCore::AsyncFileSystemBlackBerry::openFileSystem):
(WebCore::AsyncFileSystem::deleteFileSystem):
(WebCore::AsyncFileSystemBlackBerry::AsyncFileSystemBlackBerry):
(WebCore::AsyncFileSystemBlackBerry::~AsyncFileSystemBlackBerry):
(WebCore::AsyncFileSystemBlackBerry::move):
(WebCore::AsyncFileSystemBlackBerry::copy):
(WebCore::AsyncFileSystemBlackBerry::remove):
(WebCore::AsyncFileSystemBlackBerry::removeRecursively):
(WebCore::AsyncFileSystemBlackBerry::readMetadata):
(WebCore::AsyncFileSystemBlackBerry::createFile):
(WebCore::AsyncFileSystemBlackBerry::createDirectory):
(WebCore::AsyncFileSystemBlackBerry::fileExists):
(WebCore::AsyncFileSystemBlackBerry::directoryExists):
(WebCore::AsyncFileSystemBlackBerry::readDirectory):
(WebCore::AsyncFileSystemBlackBerry::createWriter):
(WebCore::AsyncFileSystemBlackBerry::createSnapshotFileAndReadMetadata):
(WebCore::AsyncFileSystemBlackBerry::fileSystemURLToPath):
* platform/blackberry/AsyncFileSystemBlackBerry.h:
(WTF):
(WTF::BlackBerry::Platform::WebFileSystem):
(WebCore::AsyncFileSystemBlackBerry::create):
(AsyncFileSystemBlackBerry):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@148275 268f45cc-cd09-0410-ab3c-d52691b4dbfc