Unreviewed, rolling out r142975.
http://trac.webkit.org/changeset/142975
https://bugs.webkit.org/show_bug.cgi?id=110225

Introduces hard-to-reproduce crashes upon inspected page
navigation on Mac (Requested by apavlov on #webkit).

Patch by Sheriff Bot <webkit.review.bot@gmail.com> on 2013-02-19

Source/WebCore:

* dom/DocumentStyleSheetCollection.cpp:
(WebCore::DocumentStyleSheetCollection::updateActiveStyleSheets):
* inspector/Inspector.json:
* inspector/InspectorCSSAgent.cpp:
(WebCore::InspectorCSSAgent::InspectorCSSAgent):
(WebCore::InspectorCSSAgent::clearFrontend):
(WebCore::InspectorCSSAgent::enable):
(WebCore::InspectorCSSAgent::getAllStyleSheets):
(WebCore::InspectorCSSAgent::collectStyleSheets):
(WebCore::InspectorCSSAgent::bindStyleSheet):
(WebCore::InspectorCSSAgent::viaInspectorStyleSheet):
(WebCore::InspectorCSSAgent::detectOrigin):
(WebCore::InspectorCSSAgent::buildObjectForRule):
* inspector/InspectorCSSAgent.h:
(InspectorCSSAgent):
* inspector/InspectorInstrumentation.cpp:
(WebCore):
* inspector/InspectorInstrumentation.h:
(WebCore):
(InspectorInstrumentation):
* inspector/front-end/CSSStyleModel.js:
(WebInspector.CSSStyleModel.prototype.getViaInspectorResourceForRule):
(WebInspector.CSSStyleModelResourceBinding.prototype.):
(WebInspector.CSSStyleModelResourceBinding.prototype.requestStyleSheetIdForResource):
(WebInspector.CSSStyleModelResourceBinding.prototype.requestResourceURLForStyleSheetId):
(WebInspector.CSSStyleModelResourceBinding.prototype._styleSheetIdForResource):
(WebInspector.CSSStyleModelResourceBinding.prototype._loadStyleSheetHeaders):
(WebInspector.CSSStyleModelResourceBinding.prototype.headersLoaded):
(WebInspector.CSSStyleModelResourceBinding.prototype._requestViaInspectorResource):
(WebInspector.CSSStyleModelResourceBinding.prototype._getOrCreateInspectorResource):
(WebInspector.CSSStyleModelResourceBinding.prototype._reset):
* inspector/front-end/SASSSourceMapping.js:
(WebInspector.SASSSourceMapping.prototype._styleSheetChanged.callback):
(WebInspector.SASSSourceMapping.prototype._styleSheetChanged):
* inspector/front-end/StylesSidebarPane.js:
(WebInspector.StylePropertiesSection.prototype._createRuleOriginNode.callback):
(WebInspector.StylePropertiesSection.prototype._createRuleOriginNode):
* inspector/front-end/StylesSourceMapping.js:
(WebInspector.StyleContentBinding.prototype.callback):
(WebInspector.StyleContentBinding.prototype.setStyleContent):
(WebInspector.StyleContentBinding.prototype.):
(WebInspector.StyleContentBinding.prototype._innerStyleSheetChanged):

LayoutTests:

* inspector/styles/resources/stylesheet-tracking.css: Removed.
* inspector/styles/stylesheet-tracking-expected.txt: Removed.
* inspector/styles/stylesheet-tracking.html: Removed.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@143333 268f45cc-cd09-0410-ab3c-d52691b4dbfc