Verify that SourceMap bindings are generating UISourceCodes properly. Running: initialWorkspace Removed: 0 uiSourceCodes Workspace: 2 uiSourceCodes. debugger:///VM[XXX] http://127.0.0.1:8000/devtools/resources/inspected-page.html Running: attachFrame1 Removed: 0 uiSourceCodes Workspace: 8 uiSourceCodes. debugger:///VM[XXX] [+] debugger:///VM[XXX] content-script-42.js [+] debugger:///VM[XXX] contentscript-frame.html [+] debugger:///VM[XXX] _test_attachFrame1.js [+] http://127.0.0.1:8000/devtools/bindings/resources/contentscript-frame.html [+] http://127.0.0.1:8000/devtools/resources/content-script-42.js http://127.0.0.1:8000/devtools/resources/inspected-page.html [+] http://127.0.0.1:8000/devtools/resources/_test_attachFrame1.js Running: attachFrame2 Removed: 0 uiSourceCodes Workspace: 13 uiSourceCodes. debugger:///VM[XXX] debugger:///VM[XXX] content-script-42.js [+] debugger:///VM[XXX] content-script-42.js [+] debugger:///VM[XXX] contentscript-frame.html debugger:///VM[XXX] contentscript-frame.html debugger:///VM[XXX] _test_attachFrame1.js [+] debugger:///VM[XXX] _test_attachFrame2.js http://127.0.0.1:8000/devtools/bindings/resources/contentscript-frame.html http://127.0.0.1:8000/devtools/resources/content-script-42.js [+] http://127.0.0.1:8000/devtools/resources/content-script-42.js http://127.0.0.1:8000/devtools/resources/inspected-page.html http://127.0.0.1:8000/devtools/resources/_test_attachFrame1.js [+] http://127.0.0.1:8000/devtools/resources/_test_attachFrame2.js Running: detachFrame1 Removed: 1 uiSourceCodes [-] http://127.0.0.1:8000/devtools/resources/content-script-42.js Workspace: 15 uiSourceCodes. [+] debugger:///VM[XXX] debugger:///VM[XXX] debugger:///VM[XXX] content-script-42.js debugger:///VM[XXX] content-script-42.js debugger:///VM[XXX] contentscript-frame.html debugger:///VM[XXX] contentscript-frame.html debugger:///VM[XXX] _test_attachFrame1.js debugger:///VM[XXX] _test_attachFrame2.js [+] debugger:///VM[XXX] _test_detachFrame1.js http://127.0.0.1:8000/devtools/bindings/resources/contentscript-frame.html http://127.0.0.1:8000/devtools/resources/content-script-42.js http://127.0.0.1:8000/devtools/resources/inspected-page.html http://127.0.0.1:8000/devtools/resources/_test_attachFrame1.js http://127.0.0.1:8000/devtools/resources/_test_attachFrame2.js [+] http://127.0.0.1:8000/devtools/resources/_test_detachFrame1.js Running: detachFrame2 Removed: 2 uiSourceCodes [-] http://127.0.0.1:8000/devtools/bindings/resources/contentscript-frame.html [-] http://127.0.0.1:8000/devtools/resources/content-script-42.js Workspace: 16 uiSourceCodes. debugger:///VM[XXX] debugger:///VM[XXX] [+] debugger:///VM[XXX] debugger:///VM[XXX] content-script-42.js debugger:///VM[XXX] content-script-42.js debugger:///VM[XXX] contentscript-frame.html debugger:///VM[XXX] contentscript-frame.html debugger:///VM[XXX] _test_attachFrame1.js debugger:///VM[XXX] _test_attachFrame2.js debugger:///VM[XXX] _test_detachFrame1.js [+] debugger:///VM[XXX] _test_detachFrame2.js http://127.0.0.1:8000/devtools/resources/inspected-page.html http://127.0.0.1:8000/devtools/resources/_test_attachFrame1.js http://127.0.0.1:8000/devtools/resources/_test_attachFrame2.js http://127.0.0.1:8000/devtools/resources/_test_detachFrame1.js [+] http://127.0.0.1:8000/devtools/resources/_test_detachFrame2.js