Removed error log message on empty string.

BUG=none
TEST=none

Review URL: http://codereview.chromium.org/6268013

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@72465 0039d316-1c4b-4281-b951-d872f2087c98

ceee/ie/plugin/bho/browser_helper_object.cc

@@ -127,7 +127,7 @@ HRESULT BrowserHelperObject::FinalConstruct() {
                reinterpret_cast<wchar_t*>(&bho_list), 0);
   if (bho_list == NULL) {
     LOG(ERROR) << "Failed to load string: " << GetLastError();
-  } else {
+  } else if (wcslen(bho_list) > 0) {
     std::vector<std::wstring> guids;
     base::SplitString(bho_list, ',', &guids);
     for (size_t i = 0; i < guids.size(); ++i) {