Revert of Replace string::find(prefix) == 0 pattern with base::StartsWith().

sandbox/win/src/win_utils.cc

Index: sandbox/win/src/win_utils.cc
diff --git a/sandbox/win/src/win_utils.cc b/sandbox/win/src/win_utils.cc
index 8e4da5fc97afcc5cbd6887880e9495f3404780cb..c31c25e3af5f4705b6009007485dfc406ff62221 100644
--- a/sandbox/win/src/win_utils.cc
+++ b/sandbox/win/src/win_utils.cc
@@ -132,8 +132,7 @@
 
 bool ResolveRegistryName(base::string16 name, base::string16* resolved_name) {
   for (size_t i = 0; i < arraysize(kKnownKey); ++i) {
-    if (base::StartsWith(name, kKnownKey[i].name,
-                         base::CompareCase::SENSITIVE)) {
+    if (name.find(kKnownKey[i].name) == 0) {
       HKEY key;
       DWORD disposition;
       if (ERROR_SUCCESS != ::RegCreateKeyEx(kKnownKey[i].key, L"", 0, NULL, 0,