f0ef900fd3
This fixes the regression caused by
1eaa3dd84b and reported in #29988.
When picking a class to set a breakpoint, instead of rejecting classes
not defined in the script, we now reject classes which do not belong to
the library to which the script belongs.
R=asiva@google.com
Review-Url: https://codereview.chromium.org/2965673004 .