Adding 3 DLLs to the blacklist.

chrome_elf/blacklist/blacklist.cc

Index: chrome_elf/blacklist/blacklist.cc
diff --git a/chrome_elf/blacklist/blacklist.cc b/chrome_elf/blacklist/blacklist.cc
index 8107ffcab39abeaebde41f90c73a90beefc36ac4..cc53b3c3aecffb61e855644891cb9b1816b5eb27 100644
--- a/chrome_elf/blacklist/blacklist.cc
+++ b/chrome_elf/blacklist/blacklist.cc
@@ -30,14 +30,18 @@ namespace blacklist{
 // of it, see:
 // https://sites.google.com/a/chromium.org/dev/Home/third-party-developers
 const wchar_t* g_troublesome_dlls[kTroublesomeDllsMaxCount] = {
+  L"activedetect32.dll",                // Lenovo One Key Theater.
+                                        // See crbug.com/379218.
+  L"activedetect64.dll",                // Lenovo One Key Theater.
+  L"bitguard.dll",                      // Unknown (suspected malware).
+  L"chrmxtn.dll",                       // Unknown (keystroke logger).
   L"datamngr.dll",                      // Unknown (suspected adware).
   L"hk.dll",                            // Unknown (keystroke logger).
   L"libsvn_tsvn32.dll",                 // TortoiseSVN.
   L"lmrn.dll",                          // Unknown.
-  L"activedetect32.dll",                // Lenovo One Key Theater.
-                                        // See crbug.com/379218.
+  L"systemk.dll",                       // Unknown (suspected adware).
   L"windowsapihookdll32.dll",           // Lenovo One Key Theater.
-  L"activedetect64.dll",                // Lenovo One Key Theater.
+                                        // See crbug.com/379218.
   L"windowsapihookdll64.dll",           // Lenovo One Key Theater.
   // Keep this null pointer here to mark the end of the list.
   NULL,