Completes the existing composition by optionally inserting the specified
|text| into the composition node. |replacement_range| is an optional range
of the existing text that will be replaced. |relative_cursor_pos| is where
the cursor will be positioned relative to the current cursor position. See
comments on ImeSetComposition for usage. The |replacement_range| and
|relative_cursor_pos| values are only used on OS X. This function is only
used when window rendering is disabled.
Completes the existing composition by optionally inserting the specified |text| into the composition node. |replacement_range| is an optional range of the existing text that will be replaced. |relative_cursor_pos| is where the cursor will be positioned relative to the current cursor position. See comments on ImeSetComposition for usage. The |replacement_range| and |relative_cursor_pos| values are only used on OS X. This function is only used when window rendering is disabled.