0. Open Inspector, switch to timeline panel 1. Start record 2. Record some events 3. Stop record 4. Select some events in the overview 5. Switch to vertical overview mode 6. Observe selection window did not change. Preserving selection window when switching between vertical/horizontal overview modes does not make sense, since these use different time scales.
Created attachment 137171 [details] Patch
Comment on attachment 137171 [details] Patch View in context: https://bugs.webkit.org/attachment.cgi?id=137171&action=review > Source/WebCore/inspector/front-end/TimelineOverviewPane.js:177 > + this._reset(); Could you instead try preserving the first and the last records in the window.