Added folder watch calls to fileBrowserPrivate API. This changelist adds new event chrome.fileBrowserPrivate.onFileChanged that raised when content change operation is detected in watched folder. The file browser adds/removes watched folders by calling chrome.fileBrowserPrivate.addFileWatch/removeFileWatch methods.

BUG=chromium-os:15733
TEST=new test cases added to FileSystemExtensionApiTest.LocalFileSystem
Review URL: http://codereview.chromium.org/7076040

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@87584 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/chrome/browser/extensions/extension_function_dispatcher.cc b/chrome/browser/extensions/extension_function_dispatcher.cc
index a012faa7..8b1be74 100644
--- a/chrome/browser/extensions/extension_function_dispatcher.cc
+++ b/chrome/browser/extensions/extension_function_dispatcher.cc
@@ -332,6 +332,8 @@
   RegisterFunction<FileDialogStringsFunction>();
   RegisterFunction<GetFileTasksFileBrowserFunction>();
   RegisterFunction<RequestLocalFileSystemFunction>();
+  RegisterFunction<AddFileWatchBrowserFunction>();
+  RegisterFunction<RemoveFileWatchBrowserFunction>();
   RegisterFunction<SelectFileFunction>();
   RegisterFunction<SelectFilesFunction>();
   RegisterFunction<ViewFilesFunction>();