Toolbar's overflow code causes inspector for do 8 reflows upon opening. Fixing it via introducing batch toolbar updates.
Created attachment 159281 [details] Patch
Comment on attachment 159281 [details] Patch View in context: https://bugs.webkit.org/attachment.cgi?id=159281&action=review > Source/WebCore/inspector/front-end/Toolbar.js:55 > + if (!this._coalescingLevel) No need to check it here. > Source/WebCore/inspector/front-end/inspector.js:519 > + this.toolbar.setCoalescingUpdate(true); Consider changing addPanel() to addPanels() that would encapsulate this optimization for batch mode or pass the batchMode flag as an explicit parameter to addPanel.
Comment on attachment 159281 [details] Patch Clearing flags on attachment: 159281 Committed r126001: <http://trac.webkit.org/changeset/126001>
All reviewed patches have been landed. Closing bug.