Fix presubmit errors caused by updated depot tools

src/d8.h

 // Copyright 2009 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 190 matching lines @@
   bool test_shell;
   int num_isolates;
   SourceGroup* isolate_sources;
 };
 
 #ifdef V8_SHARED
 class Shell {
 #else
 class Shell : public i::AllStatic {
 #endif  // V8_SHARED
+
  public:
   static bool ExecuteString(Handle<String> source,
                             Handle<Value> name,
                             bool print_result,
                             bool report_exceptions);
   static const char* ToCString(const v8::String::Utf8Value& value);
   static void ReportException(TryCatch* try_catch);
   static Handle<String> ReadFile(const char* name);
   static Persistent<Context> CreateEvaluationContext();
   static int RunMain(int argc, char* argv[]);
@@ skipping 128 matching lines @@
   LineEditor* next_;
   static LineEditor* first_;
 };
 #endif  // V8_SHARED
 
 
 }  // namespace v8
 
 
 #endif  // V8_D8_H_