Adding support checks for FileSystem APIs and making APIs not webkit-specific.

tools/dom/scripts/htmlrenamer.py

Index: tools/dom/scripts/htmlrenamer.py
diff --git a/tools/dom/scripts/htmlrenamer.py b/tools/dom/scripts/htmlrenamer.py
index 22bd880817fdbc946154d0bee147fab967f83da6..287a4e40c327b66b5c361c581da21264e2cc13ca 100644
--- a/tools/dom/scripts/htmlrenamer.py
+++ b/tools/dom/scripts/htmlrenamer.py
@@ -153,6 +153,14 @@ _renamed_html_members = {
     'SvgElement.className': '$dom_svgClassName',
     'Url.createObjectURL': 'createObjectUrl',
     'Url.revokeObjectURL': 'revokeObjectUrl',
+    'Window.webkitRequestFileSystem': 'requestFileSystem',
+    'Window.webkitResolveLocalFileSystemURL': 'resolveLocalFileSystemUrl',
+    'WorkerContext.webkitRequestFileSystem': 'requestFileSystem',
+    'WorkerContext.webkitRequestFileSystemSync': 'requestFileSystemSync',
+    'WorkerContext.webkitResolveLocalFileSystemSyncURL':
+        'resolveLocalFileSystemSyncUrl',
+    'WorkerContext.webkitResolveLocalFileSystemURL':
+        'resolveLocalFileSystemUrl',
 }
 
 # Members and classes from the dom that should be removed completely from