Parsing: Make Parser not know about Isolate during background parsing.

src/runtime/runtime-debug.cc

 // Copyright 2014 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.
 
 #include "src/v8.h"
 
 #include "src/accessors.h"
 #include "src/arguments.h"
 #include "src/debug.h"
 #include "src/deoptimizer.h"
@@ skipping 1190 matching lines @@
           scope_info->scope_type() != ARROW_SCOPE) {
         // Global or eval code.
         CompilationInfoWithZone info(script);
         if (scope_info->scope_type() == SCRIPT_SCOPE) {
           info.MarkAsGlobal();
         } else {
           DCHECK(scope_info->scope_type() == EVAL_SCOPE);
           info.MarkAsEval();
           info.SetContext(Handle<Context>(function_->context()));
         }
-        if (Parser::Parse(&info) && Scope::Analyze(&info)) {
+        if (Parser::ParseStatic(&info) && Scope::Analyze(&info)) {
           scope = info.function()->scope();
         }
         RetrieveScopeChain(scope, shared_info);
       } else {
         // Function code
         CompilationInfoWithZone info(shared_info);
-        if (Parser::Parse(&info) && Scope::Analyze(&info)) {
+        if (Parser::ParseStatic(&info) && Scope::Analyze(&info)) {
           scope = info.function()->scope();
         }
         RetrieveScopeChain(scope, shared_info);
       }
     }
   }
 
   ScopeIterator(Isolate* isolate, Handle<JSFunction> function)
       : isolate_(isolate),
         frame_(NULL),
@@ skipping 1582 matching lines @@
   return Smi::FromInt(isolate->debug()->is_active());
 }
 
 
 RUNTIME_FUNCTION(RuntimeReference_DebugBreakInOptimizedCode) {
   UNIMPLEMENTED();
   return NULL;
 }
 }
 }  // namespace v8::internal