Revert "Postpone termination exceptions in debug scope."

This reverts r22144.

TBR=yurys@chromium.org

Review URL: https://codereview.chromium.org/369523002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22145 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/debug.cc

@@ -3074,12 +3074,9 @@ void Debug::ProcessDebugMessages(bool debug_command_only) {
 }
 
 
-DebugScope::DebugScope(Debug* debug)
-    : debug_(debug),
-      prev_(debug->debugger_entry()),
-      save_(debug_->isolate_),
-      no_termination_exceptons_(debug_->isolate_,
-                                StackGuard::TERMINATE_EXECUTION) {
+DebugScope::DebugScope(Debug* debug) : debug_(debug),
+                                       prev_(debug->debugger_entry()),
+                                       save_(debug_->isolate_) {
   // Link recursive debugger entry.
   debug_->thread_local_.current_debug_scope_ = this;
 

src/debug.h

@@ -702,7 +702,6 @@ class DebugScope BASE_EMBEDDED {
   int break_id_;                   // Previous break id.
   bool failed_;                    // Did the debug context fail to load?
   SaveContext save_;               // Saves previous context.
-  PostponeInterruptsScope no_termination_exceptons_;
 };