Remove check_on_delete for ChromeOS to avoid change to sizeof(Value)

base/values.h

Index: base/values.h
diff --git a/base/values.h b/base/values.h
index 19a3c92fbd5ce5e2152e0d679e369cd36e845a64..d33d03197ab0ec3e047cff8b9dc1add4ead2d718 100644
--- a/base/values.h
+++ b/base/values.h
@@ -113,9 +113,15 @@ class BASE_EXPORT Value {
   // NULLs are considered equal but different from Value::CreateNullValue().
   static bool Equals(const Value* a, const Value* b);
 
+#if !defined(OS_CHROMEOS)
+  // NOTE: We pass Value from libcros tp Chrome, so changing the size of Value
+  // breaks it. TODO(stevenjb): Eliminate that dependency (crosbug.com/19576).
   // TODO(sky) bug 91396: remove this when we figure out 91396.
   // If true crash when deleted.
   void set_check_on_delete(bool value) { check_on_delete_ = value; }
+#else
+  void set_check_on_delete(bool value) {}
+#endif
 
  protected:
   // This isn't safe for end-users (they should use the Create*Value()
@@ -125,8 +131,10 @@ class BASE_EXPORT Value {
  private:
   Type type_;
 
+#if !defined(OS_CHROMEOS)
   // See description above setter.
   bool check_on_delete_;
+#endif
 
   DISALLOW_COPY_AND_ASSIGN(Value);
 };