Revert of Fix scoped_ptr free to use delete [] instead of delete.

sandbox/win/src/win_utils.cc

Index: sandbox/win/src/win_utils.cc
diff --git a/sandbox/win/src/win_utils.cc b/sandbox/win/src/win_utils.cc
index 34a966ac80e0e39fca9828dc00f58c6e7aee6b6c..12f818926b4bdb642efc658644b6b9e75ca19e22 100644
--- a/sandbox/win/src/win_utils.cc
+++ b/sandbox/win/src/win_utils.cc
@@ -243,21 +243,22 @@
   NtQueryObjectFunction NtQueryObject = NULL;
   ResolveNTFunctionPtr("NtQueryObject", &NtQueryObject);
 
-  OBJECT_NAME_INFORMATION* name = NULL;
-  ULONG size = 0;
+  OBJECT_NAME_INFORMATION initial_buffer;
+  OBJECT_NAME_INFORMATION* name = &initial_buffer;
+  ULONG size = sizeof(initial_buffer);
   // Query the name information a first time to get the size of the name.
   NTSTATUS status = NtQueryObject(handle, ObjectNameInformation, name, size,
                                   &size);
 
-  if (!size)
-    return false;
-
-  scoped_ptr<BYTE[]> name_ptr(new BYTE[size]);
-  name = reinterpret_cast<OBJECT_NAME_INFORMATION*>(name_ptr.get());
-
-  // Query the name information a second time to get the name of the
-  // object referenced by the handle.
-  status = NtQueryObject(handle, ObjectNameInformation, name, size, &size);
+  scoped_ptr<OBJECT_NAME_INFORMATION> name_ptr;
+  if (size) {
+    name = reinterpret_cast<OBJECT_NAME_INFORMATION*>(new BYTE[size]);
+    name_ptr.reset(name);
+
+    // Query the name information a second time to get the name of the
+    // object referenced by the handle.
+    status = NtQueryObject(handle, ObjectNameInformation, name, size, &size);
+  }
 
   if (STATUS_SUCCESS != status)
     return false;