Called when the browser is about to display a tooltip. |text| contains the
text that will be displayed in the tooltip. To handle the display of the
tooltip yourself return true (1). Otherwise, you can optionally modify
|text| and then return false (0) to allow the browser to display the
tooltip. When window rendering is disabled the application is responsible
for drawing tooltips and the return value is ignored.
Called when the browser is about to display a tooltip. |text| contains the text that will be displayed in the tooltip. To handle the display of the tooltip yourself return true (1). Otherwise, you can optionally modify |text| and then return false (0) to allow the browser to display the tooltip. When window rendering is disabled the application is responsible for drawing tooltips and the return value is ignored.