Index: chrome/browser/extensions/api/messaging/message_service.cc |
diff --git a/chrome/browser/extensions/api/messaging/message_service.cc b/chrome/browser/extensions/api/messaging/message_service.cc |
index 497bdb0865b3ff6056d90d170bdc1c44e22ffeee..6cde9dc2fc60ee2529c85a3aab5530b075dcc8fd 100644 |
--- a/chrome/browser/extensions/api/messaging/message_service.cc |
+++ b/chrome/browser/extensions/api/messaging/message_service.cc |
@@ -4,6 +4,10 @@ |
#include "chrome/browser/extensions/api/messaging/message_service.h" |
+#include <stdint.h> |
+ |
+#include <limits> |
+ |
#include "base/atomic_sequence_num.h" |
#include "base/bind.h" |
#include "base/callback.h" |
@@ -200,8 +204,8 @@ content::RenderProcessHost* |
void MessageService::AllocatePortIdPair(int* port1, int* port2) { |
DCHECK_CURRENTLY_ON(BrowserThread::IO); |
- unsigned channel_id = |
- static_cast<unsigned>(g_next_channel_id.GetNext()) % (kint32max/2); |
+ unsigned channel_id = static_cast<unsigned>(g_next_channel_id.GetNext()) % |
+ (std::numeric_limits<int32_t>::max() / 2); |
unsigned port1_id = channel_id * 2; |
unsigned port2_id = channel_id * 2 + 1; |