Index: chrome/common/chrome_constants.h |
=================================================================== |
--- chrome/common/chrome_constants.h (revision 77155) |
+++ chrome/common/chrome_constants.h (working copy) |
@@ -81,6 +81,11 @@ |
extern const bool kRecordModeEnabled; |
+// Most sequence numbers are used by a renderer when responding to a browser |
+// request for histogram data. This reserved number is used when a renderer |
+// sends an unprovoked update, such as after a page has been loaded. Using |
+// this reserved constant avoids any chance of confusion with a response having |
+// a browser-supplied sequence number. |
extern const int kHistogramSynchronizerReservedSequenceNumber; |
// The maximum number of session history entries per tab. |