Cleanup browser blacklist code

chrome_elf/blacklist/blacklist.h

Index: chrome_elf/blacklist/blacklist.h
diff --git a/chrome_elf/blacklist/blacklist.h b/chrome_elf/blacklist/blacklist.h
index 08ca572c273376a27b17a8c744f23399d104304a..17a511d487712c2d3259a16aa66abe37f2214d82 100644
--- a/chrome_elf/blacklist/blacklist.h
+++ b/chrome_elf/blacklist/blacklist.h
@@ -13,9 +13,6 @@ const int kTroublesomeDllsMaxCount = 64;
 // The DLL blacklist.
 extern const wchar_t* g_troublesome_dlls[kTroublesomeDllsMaxCount];
 
-// Cursor to the current last element in the blacklist.
-extern int g_troublesome_dlls_cur_index;
-
 // The registry path of the blacklist beacon.
 extern const wchar_t kRegistryBeaconPath[];
 
@@ -47,6 +44,9 @@ bool LeaveSetupBeacon();
 // Returns true if the beacon was successfully set to BLACKLIST_ENABLED.
 bool ResetBeacon();
 
+// Return the size of the current blacklist.
+int BlacklistSize();
+
 // Adds the given dll name to the blacklist. Returns true if the dll name is in
 // the blacklist when this returns, false on error. Note that this will copy
 // |dll_name| and will leak it on exit if the string is not subsequently removed