Cleanup in //runtime/bin

runtime/bin/utils.h

Index: runtime/bin/utils.h
diff --git a/runtime/bin/utils.h b/runtime/bin/utils.h
index cbc2babd35719d722e624a2d54865726d138b7e0..ab02ebe647d02adada402037b78ab615b43b5fd4 100644
--- a/runtime/bin/utils.h
+++ b/runtime/bin/utils.h
@@ -83,6 +83,10 @@ class StringUtils {
   static char* Utf8ToConsoleString(char* utf8,
                                    intptr_t len = -1,
                                    intptr_t* result_len = NULL);
+
+ private:
+  DISALLOW_ALLOCATION();
+  DISALLOW_IMPLICIT_CONSTRUCTORS(StringUtils);
 };
 
 
@@ -94,14 +98,23 @@ class ShellUtils {
   // Returns true if the arguments are converted. In that case
   // each of the arguments need to be deallocated using free.
   static bool GetUtf8Argv(int argc, char** argv);
+
+ private:
+  DISALLOW_ALLOCATION();
+  DISALLOW_IMPLICIT_CONSTRUCTORS(ShellUtils);
 };
 
+
 class TimerUtils {
  public:
   static void InitOnce();
   static int64_t GetCurrentMonotonicMicros();
   static int64_t GetCurrentMonotonicMillis();
   static void Sleep(int64_t millis);
+
+ private:
+  DISALLOW_ALLOCATION();
+  DISALLOW_IMPLICIT_CONSTRUCTORS(TimerUtils);
 };
 
 }  // namespace bin