Rename serial.[open,close] to [connect,disconnect]

chrome/browser/extensions/extension_function_histogram_value.h

Index: chrome/browser/extensions/extension_function_histogram_value.h
diff --git a/chrome/browser/extensions/extension_function_histogram_value.h b/chrome/browser/extensions/extension_function_histogram_value.h
index 489e47ec7b370b911d98ce88d8e1753ed21536f1..e59aea378e827d561dd703ed8f33d71451811d83 100644
--- a/chrome/browser/extensions/extension_function_histogram_value.h
+++ b/chrome/browser/extensions/extension_function_histogram_value.h
@@ -165,7 +165,7 @@ enum HistogramValue {
   BOOKMARKS_GETCHILDREN,
   BROWSERACTION_GETTITLE,
   TERMINALPRIVATE_OPENTERMINALPROCESS,
-  SERIAL_CLOSE,
+  DELETED_SERIAL_CLOSE,
   CONTEXTMENUS_REMOVE,
   FILEBROWSERPRIVATE_REQUESTFILESYSTEM,
   ECHOPRIVATE_GETREGISTRATIONCODE,
@@ -247,7 +247,7 @@ enum HistogramValue {
   DOWNLOADS_GETFILEICON,
   PAGEACTION_GETTITLE,
   BROWSINGDATA_REMOVE,
-  SERIAL_OPEN,
+  DELETED_SERIAL_OPEN,
   FILESYSTEM_GETDISPLAYPATH,
   FILEBROWSERPRIVATE_FORMATVOLUME,
   BOOKMARKS_GET,
@@ -701,6 +701,8 @@ enum HistogramValue {
   SERIAL_SEND,
   GCM_REGISTER,
   GCM_SEND,
+  SERIAL_CONNECT,
+  SERIAL_DISCONNECT,
   ENUM_BOUNDARY // Last entry: Add new entries above.
 };