Revert of Debugger: preserve stepping state after evaluating breakpoint condition.

src/debug.cc

Index: src/debug.cc
diff --git a/src/debug.cc b/src/debug.cc
index d477c865a3d42f4ea8b1a024ff77b8528364356f..82fab36a2b83ea96c80042d232b06dda40db30c2 100644
--- a/src/debug.cc
+++ b/src/debug.cc
@@ -897,11 +897,6 @@
   Handle<FixedArray> break_points_hit;
   int break_points_hit_count = 0;
   DCHECK(!break_point_objects->IsUndefined());
-
-  // Break points are checked by calling into Javascript. This could change
-  // the stepping state we are currently in.
-  PreserveDebugState state(this);
-
   if (break_point_objects->IsFixedArray()) {
     Handle<FixedArray> array(FixedArray::cast(*break_point_objects));
     break_points_hit = factory->NewFixedArray(array->length());