Respect setLibraryDebuggable

runtime/vm/debugger.cc

Index: runtime/vm/debugger.cc
diff --git a/runtime/vm/debugger.cc b/runtime/vm/debugger.cc
index 54694feafbf7cd28b1e33e5f8286f1f33c7e93fd..51c6721d9edeccb9de890220ece86563f642d5dc 100644
--- a/runtime/vm/debugger.cc
+++ b/runtime/vm/debugger.cc
@@ -2613,9 +2613,6 @@ bool Debugger::IsDebuggable(const Function& func) {
   if (!func.is_debuggable()) {
     return false;
   }
-  if (ServiceIsolate::IsRunning()) {
-    return true;
-  }
   const Class& cls = Class::Handle(func.Owner());
   const Library& lib = Library::Handle(cls.library());
   return lib.IsDebuggable();
@@ -2684,7 +2681,7 @@ RawError* Debugger::PauseStepping() {
     // There is an "interesting frame" set. Only pause at appropriate
     // locations in this frame.
     if (IsCalleeFrameOf(stepping_fp_, frame->fp())) {
-      // We are i n a callee of the frame we're interested in.
+      // We are in a callee of the frame we're interested in.
       // Ignore this stepping break.
       return Error::null();
     } else if (IsCalleeFrameOf(frame->fp(), stepping_fp_)) {
@@ -2863,10 +2860,6 @@ void Debugger::PauseDeveloper(const String& msg) {
     return;
   }
 
-  if (!NeedsDebugEvents()) {
-    OS::Print("Hit debugger!");
-  }
-
   DebuggerStackTrace* stack_trace = CollectStackTrace();
   ASSERT(stack_trace->Length() > 0);
   ASSERT(stack_trace_ == NULL);