Backout of 266694bb2f66 due to bustage. r=me

xpcom/base/nsWindowsHelpers.h

@@ -79,29 +79,9 @@ public:
   RawRef mRawRef;
 };
 
-
-template<>
-class nsAutoRefTraits<HMODULE>
-{
-public:
-  typedef HMODULE RawRef;
-  static RawRef Void()
-  {
-    return NULL;
-  }
-
-  static void Release(RawRef aFD)
-  {
-    if (aFD != Void()) {
-      FreeLibrary(aFD);
-    }
-  }
-};
-
 typedef nsAutoRef<HKEY> nsAutoRegKey;
 typedef nsAutoRef<SC_HANDLE> nsAutoServiceHandle;
 typedef nsAutoRef<HANDLE> nsAutoHandle;
-typedef nsAutoRef<HMODULE> nsModuleHandle;
 
 namespace
 {
@@ -144,34 +124,6 @@ namespace
     alreadyChecked = true;
     return isMetro;
   }
-
-  HMODULE
-  LoadLibrarySystem32(LPCWSTR module)
-  {
-    WCHAR systemPath[MAX_PATH + 1] = { L'\0' };
-
-    // If GetSystemPath fails we accept that we'll load the DLLs from the
-    // normal search path.
-    GetSystemDirectoryW(systemPath, MAX_PATH + 1);
-    size_t systemDirLen = wcslen(systemPath);
-
-    // Make the system directory path terminate with a slash
-    if (systemDirLen && systemPath[systemDirLen - 1] != L'\\') {
-      systemPath[systemDirLen] = L'\\';
-      ++systemDirLen;
-      // No need to re-NULL terminate
-    }
-
-    size_t fileLen = wcslen(module);
-    wcsncpy(systemPath + systemDirLen, module,
-            MAX_PATH - systemDirLen);
-    if (systemDirLen + fileLen <= MAX_PATH) {
-      systemPath[systemDirLen + fileLen] = L'\0';
-    } else {
-      systemPath[MAX_PATH] = L'\0';
-    }
-    return LoadLibraryW(systemPath);
-  }
 }
 
 #endif