Cleanup in //runtime/bin

runtime/bin/process.h

Index: runtime/bin/process.h
diff --git a/runtime/bin/process.h b/runtime/bin/process.h
index bd400869f2417fc151a208d89c225d727eb0a7b8..359c8c1d6eb3cd0fd7528514b1c74ed275679c4e 100644
--- a/runtime/bin/process.h
+++ b/runtime/bin/process.h
@@ -12,7 +12,6 @@
 #include "platform/globals.h"
 #include "platform/utils.h"
 
-
 namespace dart {
 namespace bin {
 
@@ -183,6 +182,8 @@ class SignalInfo {
   Dart_Port port_;
   SignalInfo* next_;
   SignalInfo* prev_;
+
+  DISALLOW_COPY_AND_ASSIGN(SignalInfo);
 };
 
 
@@ -285,6 +286,9 @@ class BufferListBase {
 
   // Number of free bytes in the last node in the list.
   intptr_t free_size_;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(BufferListBase);
 };
 
 }  // namespace bin