ipc: Convert int types from basictypes.h to the ones from stdint.h

ipc/ipc_channel.cc

Index: ipc/ipc_channel.cc
diff --git a/ipc/ipc_channel.cc b/ipc/ipc_channel.cc
index ac09c5ab1ef1d00b31c4f3a2e7b0a260673dbfbe..e659205ae6d290eab2b13aa07a270e3d56e6f335 100644
--- a/ipc/ipc_channel.cc
+++ b/ipc/ipc_channel.cc
@@ -4,6 +4,8 @@
 
 #include "ipc/ipc_channel.h"
 
+#include <stdint.h>
+
 #include <limits>
 
 #include "base/atomic_sequence_num.h"
@@ -38,7 +40,7 @@ std::string Channel::GenerateUniqueRandomChannelID() {
   return base::StringPrintf("%d.%u.%d",
       process_id,
       g_last_id.GetNext(),
-      base::RandInt(0, std::numeric_limits<int32>::max()));
+      base::RandInt(0, std::numeric_limits<int32_t>::max()));
 }
 
 }  // namespace IPC