Web Inspector: Fixed a layout regression in CanvasProfileView.

Web Inspector: Fixed a layout regression in CanvasProfileView.
https://bugs.webkit.org/show_bug.cgi?id=109835

Patch by Vladislav Kaznacheev <kaznacheev@chromium.org> on 2013-02-14
Reviewed by Pavel Feldman.

Changed splitView.css to supported nested SplitView instances.

* inspector/front-end/splitView.css:
(.split-view-vertical > .split-view-contents):
(.split-view-vertical > .split-view-contents-first):
(.split-view-vertical > .split-view-contents-first.maximized):
(.split-view-vertical > .split-view-contents-second):
(.split-view-vertical > .split-view-contents-second.maximized):
(.split-view-horizontal > .split-view-contents):
(.split-view-horizontal > .split-view-contents-first):
(.split-view-horizontal > .split-view-contents-first.maximized):
(.split-view-horizontal > .split-view-contents-second):
(.split-view-horizontal > .split-view-contents-second.maximized):
(.split-view-vertical > .split-view-sidebar.split-view-contents-first:not(.maximized)):
(.split-view-vertical > .split-view-sidebar.split-view-contents-second:not(.maximized)):
(.split-view-horizontal > .split-view-sidebar.split-view-contents-first:not(.maximized)):
(.split-view-horizontal > .split-view-sidebar.split-view-contents-second:not(.maximized)):
(.split-view-vertical > .split-view-resizer):
(.split-view-horizontal > .split-view-resizer):

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@142878 268f45cc-cd09-0410-ab3c-d52691b4dbfc