Web Inspector: Design WebSockets panel

Web Inspector: Design WebSockets panel
https://bugs.webkit.org/show_bug.cgi?id=89461

Use DataGrid to display the data.
Put "Data" column first. Make it wider.
Remove "Mask" column since it appears to be always true for outgoing frames,
and false for incoming.

Patch by Nikita Vasilyev <me@elv1s.ru> on 2012-07-02
Reviewed by Pavel Feldman.

* English.lproj/localizedStrings.js:
* inspector/front-end/NetworkItemView.js:
(WebInspector.NetworkItemView): Don't show Preview, Response, Cookies
and Timing tabs for succefuly established WebSocket connection.

* inspector/front-end/ResourceWebSocketFrameView.js:
(WebInspector.ResourceWebSocketFrameView):
* inspector/front-end/networkPanel.css:
(.resource-websocket):
(.resource-websocket, .resource-websocket .data-grid):
(.resource-websocket .data-grid .data):
(.resource-websocket td):
(.resource-websocket .data-column div):
(.resource-websocket-row-outcoming):
(.resource-websocket-row-outcoming:not(.selected) td):
(.resource-websocket-row-outcoming:not(.selected) td, .resource-websocket-row-outcoming:not(.selected) + tr td):
(.resource-websocket-row-opcode):
(.resource-websocket-row-opcode td):
(.resource-websocket-row-opcode td, .resource-websocket-row-opcode + tr td):
(.resource-websocket-row-error):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@121666 268f45cc-cd09-0410-ab3c-d52691b4dbfc