Debugger: fix crash when debugger is enabled between parsing and compiling.

src/debug.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_DEBUG_H_
 #define V8_DEBUG_H_
 
 #include "src/allocation.h"
 #include "src/arguments.h"
 #include "src/assembler.h"
@@ skipping 475 matching lines @@
   void FreeThreadResources() { }
 
   // Record function from which eval was called.
   static void RecordEvalCaller(Handle<Script> script);
 
   bool CheckExecutionState(int id) {
     return is_active() && !debug_context().is_null() && break_id() != 0 &&
            break_id() == id;
   }
 
-  bool RequiresEagerCompilation(bool allows_lazy_without_ctx = false) {
-    return LiveEditFunctionTracker::IsActive(isolate_) ||
-           (is_active() && !allows_lazy_without_ctx);
-  }
-
   // Flags and states.
   DebugScope* debugger_entry() {
     return reinterpret_cast<DebugScope*>(
         base::NoBarrier_Load(&thread_local_.current_debug_scope_));
   }
   inline Handle<Context> debug_context() { return debug_context_; }
   void set_live_edit_enabled(bool v) { live_edit_enabled_ = v; }
   bool live_edit_enabled() const {
     return FLAG_enable_liveedit && live_edit_enabled_ ;
   }
@@ skipping 291 matching lines @@
                            int call_argc = -1);
 
   static void PatchDebugBreakSlot(Address pc, Handle<Code> code);
   static void ClearDebugBreakSlot(Address pc);
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_DEBUG_H_