Switch to standard integer types in chrome/browser/chromeos/.

chrome/browser/chromeos/extensions/file_manager/private_api_base.cc

Index: chrome/browser/chromeos/extensions/file_manager/private_api_base.cc
diff --git a/chrome/browser/chromeos/extensions/file_manager/private_api_base.cc b/chrome/browser/chromeos/extensions/file_manager/private_api_base.cc
index 68e1246917260baf2023c1e2d9f666bd10d44fc3..0e675c8efbf1faa72dca1fd53a4bf2f36d113f29 100644
--- a/chrome/browser/chromeos/extensions/file_manager/private_api_base.cc
+++ b/chrome/browser/chromeos/extensions/file_manager/private_api_base.cc
@@ -4,6 +4,8 @@
 
 #include "chrome/browser/chromeos/extensions/file_manager/private_api_base.h"
 
+#include <stdint.h>
+
 #include "base/strings/string_number_conversions.h"
 #include "chrome/browser/chromeos/extensions/file_manager/private_api_util.h"
 #include "components/drive/event_logger.h"
@@ -26,7 +28,7 @@ LoggedAsyncExtensionFunction::~LoggedAsyncExtensionFunction() {
 void LoggedAsyncExtensionFunction::SendResponse(bool success) {
   drive::EventLogger* logger = file_manager::util::GetLogger(GetProfile());
   if (logger) {
-    int64 elapsed = (base::Time::Now() - start_time_).InMilliseconds();
+    int64_t elapsed = (base::Time::Now() - start_time_).InMilliseconds();
     if (log_on_completion_) {
       logger->Log(logging::LOG_INFO, "%s[%d] %s. (elapsed time: %sms)", name(),
                   request_id(), success ? "succeeded" : "failed",