Cleanup in //runtime/bin

runtime/bin/eventhandler_linux.h

Index: runtime/bin/eventhandler_linux.h
diff --git a/runtime/bin/eventhandler_linux.h b/runtime/bin/eventhandler_linux.h
index 099bef5cc4475cb83dbca222d8e3891c5a2fa23a..dd87c229478f9393a7de5b5457df31d0d7317ba6 100644
--- a/runtime/bin/eventhandler_linux.h
+++ b/runtime/bin/eventhandler_linux.h
@@ -33,6 +33,9 @@ class DescriptorInfo : public DescriptorInfoBase {
     VOID_TEMP_FAILURE_RETRY(close(fd_));
     fd_ = -1;
   }
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(DescriptorInfo);
 };
 
 
@@ -42,6 +45,9 @@ class DescriptorInfoSingle
   explicit DescriptorInfoSingle(intptr_t fd)
       : DescriptorInfoSingleMixin(fd, false) {}
   virtual ~DescriptorInfoSingle() {}
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(DescriptorInfoSingle);
 };
 
 
@@ -51,6 +57,9 @@ class DescriptorInfoMultiple
   explicit DescriptorInfoMultiple(intptr_t fd)
       : DescriptorInfoMultipleMixin(fd, false) {}
   virtual ~DescriptorInfoMultiple() {}
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(DescriptorInfoMultiple);
 };
 
 
@@ -84,6 +93,8 @@ class EventHandlerImplementation {
   int interrupt_fds_[2];
   int epoll_fd_;
   int timer_fd_;
+
+  DISALLOW_COPY_AND_ASSIGN(EventHandlerImplementation);
 };
 
 }  // namespace bin