Controls if the find widget is enabled in the panel.
Defaults to false.
Controls if the webview panel's content (iframe) is kept around even when the panel is no longer visible.
Normally the webview panel's html context is created when the panel becomes visible
and destroyed when it is hidden. Extensions that have complex state
or UI can set the retainContextWhenHidden to make the editor keep the webview
context around, even when the webview moves to a background tab. When a webview using
retainContextWhenHidden becomes hidden, its scripts and other dynamic content are suspended.
When the panel becomes visible again, the context is automatically restored
in the exact same state it was in originally. You cannot send messages to a
hidden webview, even with retainContextWhenHidden enabled.
retainContextWhenHidden has a high memory overhead and should only be used if
your panel's context cannot be quickly saved and restored.
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Content settings for a webview panel.