No need to halt on single step if there is a breakpoint on the
same location. While looking at the resulting test failures, I
discovered that the step_in_equals test was not at all testing
what it was meant to test. It happened to pass because of a
related bug in the parser. Decided to abandon that test and
instead check that we can break at == even if one of the operands
is null.
Added ability to match line numbers in the debugger tests.
R=regis@google.com
Review URL: https://codereview.chromium.org//135843003
git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@31898 260f80e4-7a28-3924-810f-c04153c831b5
hausner@google.com
812467f0f6