Index: content/common/child_process_host_impl.h |
diff --git a/content/common/child_process_host_impl.h b/content/common/child_process_host_impl.h |
index 378be0a52c0ae7f71fb48ee2c7ad33053e8de88b..e0cd75d054549bdcff93f1876fc04c135bcd1bf0 100644 |
--- a/content/common/child_process_host_impl.h |
+++ b/content/common/child_process_host_impl.h |
@@ -32,6 +32,10 @@ class CONTENT_EXPORT ChildProcessHostImpl : public ChildProcessHost, |
public: |
virtual ~ChildProcessHostImpl(); |
+ // This value is guaranteed to never be returned by |
+ // GenerateChildProcessUniqueId() below. |
+ static int kInvalidChildProcessId; |
+ |
// Public and static for reuse by RenderMessageFilter. |
static void AllocateSharedMemory( |
uint32 buffer_size, base::ProcessHandle child_process, |