Remove the chromium directories from WebCore/Modules
https://bugs.webkit.org/show_bug.cgi?id=114000

Reviewed by Ryosuke Niwa.

First step in cleaning the code: remove the chromium-specific files.

* Modules/filesystem/chromium/DOMFileSystemChromium.cpp: Removed.
* Modules/filesystem/chromium/DataTransferItemFileSystemChromium.cpp: Removed.
* Modules/filesystem/chromium/DraggedIsolatedFileSystem.cpp: Removed.
* Modules/filesystem/chromium/DraggedIsolatedFileSystem.h: Removed.
* Modules/indexeddb/chromium/IDBFactoryBackendInterfaceChromium.cpp: Removed.
* Modules/indexeddb/chromium/IDBFactoryBackendInterfaceChromium.h: Removed.
* Modules/speech/chromium/SpeechSynthesisChromium.cpp: Removed.
* Modules/webdatabase/chromium/DatabaseObserver.h: Removed.
* Modules/webdatabase/chromium/DatabaseTrackerChromium.cpp: Removed.
* Modules/webdatabase/chromium/QuotaTracker.cpp: Removed.
* Modules/webdatabase/chromium/QuotaTracker.h: Removed.
* Modules/webdatabase/chromium/SQLTransactionClientChromium.cpp: Removed.


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@147718 268f45cc-cd09-0410-ab3c-d52691b4dbfc