Reviewed by Yury Semikhatsky.

        Web Inspector: [refactoring] use events to notify NetworkManager clients
        https://bugs.webkit.org/show_bug.cgi?id=52588

        * inspector/front-end/AuditLauncherView.js:
        (WebInspector.AuditLauncherView): Do not expose public interface to resource count. Do not reset resource count upon reset().
        (WebInspector.AuditLauncherView.prototype._resetResourceCount):
        (WebInspector.AuditLauncherView.prototype._onResourceStarted):
        (WebInspector.AuditLauncherView.prototype._onResourceFinished):
        * inspector/front-end/AuditsPanel.js: Do not expose public interface to resource start/finish events.
        * inspector/front-end/ExtensionServer.js:
        (WebInspector.ExtensionServer):
        (WebInspector.ExtensionServer.prototype._notifyResourceFinished):
        (WebInspector.ExtensionServer.prototype.initExtensions):
        * inspector/front-end/NetworkManager.js: Dispatch events rather than directly call clients.
        (WebInspector.NetworkManager):
        (WebInspector.NetworkManager.prototype.willSendRequest):
        (WebInspector.NetworkManager.prototype.markResourceAsCached):
        (WebInspector.NetworkManager.prototype.didReceiveResponse):
        (WebInspector.NetworkManager.prototype.didReceiveContentLength):
        (WebInspector.NetworkManager.prototype.setInitialContent):
        (WebInspector.NetworkManager.prototype.didCommitLoadForFrame):
        (WebInspector.NetworkManager.prototype.willSendWebSocketHandshakeRequest):
        (WebInspector.NetworkManager.prototype.didReceiveWebSocketHandshakeResponse):
        (WebInspector.NetworkManager.prototype._startResource):
        (WebInspector.NetworkManager.prototype._finishResource):
        * inspector/front-end/NetworkPanel.js:
        (WebInspector.NetworkPanel):
        (WebInspector.NetworkPanel.prototype._onResourceStarted):
        (WebInspector.NetworkPanel.prototype._appendResource):
        (WebInspector.NetworkPanel.prototype._onResourceUpdated):
        (WebInspector.NetworkPanel.prototype._refreshResource):
        (WebInspector.NetworkPanel.prototype._onMainResourceChanged):
        * inspector/front-end/ResourcesPanel.js:
        (WebInspector.ResourcesPanel):
        (WebInspector.ResourcesPanel.prototype._refreshResource):


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@76022 268f45cc-cd09-0410-ab3c-d52691b4dbfc