Mined from test logs In devtools/markupview/test/browser_markupview_node_not_displayed_02.js: https://hg.mozilla.org/projects/holly/file/50e197279ad5/browser/devtools/markupview/test/browser_markupview_node_not_displayed_02.js#l17 https://hg.mozilla.org/projects/holly/file/50e197279ad5/browser/devtools/markupview/test/browser_markupview_node_not_displayed_02.js#l18 https://hg.mozilla.org/projects/holly/file/50e197279ad5/browser/devtools/markupview/test/browser_markupview_node_not_displayed_02.js#l19 https://hg.mozilla.org/projects/holly/file/50e197279ad5/browser/devtools/markupview/test/browser_markupview_node_not_displayed_02.js#l20 { desc: "Hiding a node by creating a new stylesheet", selector: "#normal-div", before: true, changeStyle: (doc, node) => { let div = doc.createElement("div"); <-- causes unsafe CPOW usage warning div.id = "new-style"; <-- causes unsafe CPOW usage warning div.innerHTML = "<style>#normal-div {display:none;}</style>"; <-- causes unsafe CPOW usage warning doc.body.appendChild(div); <-- causes unsafe CPOW usage warning }, after: false }, ... https://hg.mozilla.org/projects/holly/file/50e197279ad5/browser/devtools/markupview/test/browser_markupview_node_not_displayed_02.js#l29 { desc: "Showing a node by deleting an existing stylesheet", selector: "#normal-div", before: false, changeStyle: (doc, node) => { doc.getElementById("new-style").remove(); <-- causes unsafe CPOW usage warning }, after: true }, ... https://hg.mozilla.org/projects/holly/file/50e197279ad5/browser/devtools/markupview/test/browser_markupview_node_not_displayed_02.js#l38 { desc: "Hiding a node by changing its style property", selector: "#display-none", before: false, changeStyle: (doc, node) => { node.style.display = "block"; <-- causes unsafe CPOW usage warning }, after: true }, ... https://hg.mozilla.org/projects/holly/file/50e197279ad5/browser/devtools/markupview/test/browser_markupview_node_not_displayed_02.js#l47 { desc: "Showing a node by removing its hidden attribute", selector: "#hidden-true", before: false, changeStyle: (doc, node) => { node.removeAttribute("hidden"); <-- causes unsafe CPOW usage warning }, after: true }, ... https://hg.mozilla.org/projects/holly/file/50e197279ad5/browser/devtools/markupview/test/browser_markupview_node_not_displayed_02.js#l56 { desc: "Hiding a node by adding a hidden attribute", selector: "#hidden-true", before: true, changeStyle: (doc, node) => { node.setAttribute("hidden", "true"); <-- causes unsafe CPOW usage warning }, after: false }, ... https://hg.mozilla.org/projects/holly/file/50e197279ad5/browser/devtools/markupview/test/browser_markupview_node_not_displayed_02.js#l65 { desc: "Showing a node by changin a stylesheet's rule", selector: "#hidden-via-stylesheet", before: false, changeStyle: (doc, node) => { doc.styleSheets[0].cssRules[0].style.setProperty("display", "inline"); <-- causes unsafe CPOW usage warning }, after: true }, ... https://hg.mozilla.org/projects/holly/file/50e197279ad5/browser/devtools/markupview/test/browser_markupview_node_not_displayed_02.js#l74 { desc: "Hiding a node by adding a new rule to a stylesheet", selector: "#hidden-via-stylesheet", before: true, changeStyle: (doc, node) => { doc.styleSheets[0].insertRule( "#hidden-via-stylesheet {display: none;}", 1); <-- causes unsafe CPOW usage warning }, after: false }, ... https://hg.mozilla.org/projects/holly/file/50e197279ad5/browser/devtools/markupview/test/browser_markupview_node_not_displayed_02.js#l84 https://hg.mozilla.org/projects/holly/file/50e197279ad5/browser/devtools/markupview/test/browser_markupview_node_not_displayed_02.js#l86 { desc: "Hiding a node by adding a class that matches an existing rule", selector: "#normal-div", before: true, changeStyle: (doc, node) => { doc.styleSheets[0].insertRule( ".a-new-class {display: none;}", 2); <-- causes unsafe CPOW usage warning node.classList.add("a-new-class"); <-- causes unsafe CPOW usage warning }, after: false } ... https://hg.mozilla.org/projects/holly/file/50e197279ad5/browser/devtools/markupview/test/browser_markupview_node_not_displayed_02.js#l113 info("Listening for the display-change event"); let onDisplayChanged = promise.defer(); inspector.markup.walker.once("display-change", onDisplayChanged.resolve); info("Making style changes"); changeStyle(content.document, getNode(selector)); <-- causes unsafe CPOW usage warning let nodes = yield onDisplayChanged.promise; info("Verifying that the list of changed nodes include our container"); ok(nodes.length, "The display-change event was received with a nodes");

This is test only.

Inspector bug triage. Filter on CLIMBING SHOES Fixed by Bug 1252099.