Switch to standard integer types in base/trace_event/.

base/trace_event/trace_config.h

Index: base/trace_event/trace_config.h
diff --git a/base/trace_event/trace_config.h b/base/trace_event/trace_config.h
index e7a1ab57e9a614d1895f1a984197a5ad929c3793..c7d3f4b379b7dcf36ae5c536e7a06155e80531e9 100644
--- a/base/trace_event/trace_config.h
+++ b/base/trace_event/trace_config.h
@@ -5,6 +5,8 @@
 #ifndef BASE_TRACE_EVENT_TRACE_CONFIG_H_
 #define BASE_TRACE_EVENT_TRACE_CONFIG_H_
 
+#include <stdint.h>
+
 #include <string>
 #include <vector>
 
@@ -41,7 +43,7 @@ class BASE_EXPORT TraceConfig {
   // Specifies the memory dump config for tracing. Used only when
   // "memory-infra" category is enabled.
   struct MemoryDumpTriggerConfig {
-    uint32 periodic_interval_ms;
+    uint32_t periodic_interval_ms;
     MemoryDumpLevelOfDetail level_of_detail;
   };