Add missing base:: to StringToLowerASCII

chrome/browser/chrome_elf_init_win.cc

Index: chrome/browser/chrome_elf_init_win.cc
diff --git a/chrome/browser/chrome_elf_init_win.cc b/chrome/browser/chrome_elf_init_win.cc
index 4151fb4221b18e909387bb179806fcf7fd8f5629..ce3ad19f20cb57f6189b6e23916cdff77ac5edf1 100644
--- a/chrome/browser/chrome_elf_init_win.cc
+++ b/chrome/browser/chrome_elf_init_win.cc
@@ -218,7 +218,7 @@ bool GetLoadedBlacklistedModules(std::vector<base::string16>* module_names) {
 
   std::set<ModuleInfo>::const_iterator module_iter(module_info_set.begin());
   for (; module_iter != module_info_set.end(); ++module_iter) {
-    base::string16 module_file_name(StringToLowerASCII(
+    base::string16 module_file_name(base::StringToLowerASCII(
         base::FilePath(module_iter->name).BaseName().value()));
     if (blacklist::GetBlacklistIndex(module_file_name.c_str()) != -1) {
       module_names->push_back(module_iter->name);