Make default browser path check case insensitive.

chrome/installer/util/shell_util.cc

Index: chrome/installer/util/shell_util.cc
diff --git a/chrome/installer/util/shell_util.cc b/chrome/installer/util/shell_util.cc
index 55e576aa3a694f870b0deb4166d28a81b8bc8113..98c137f7431acd184b9db038ddd11eb1832dca6a 100644
--- a/chrome/installer/util/shell_util.cc
+++ b/chrome/installer/util/shell_util.cc
@@ -153,8 +153,10 @@ class RegistryEntry {
     bool found = false;
     if (_is_string) {
       std::wstring read_value;
-      found = key.ReadValue(_name.c_str(), &read_value) &&
-              read_value == _value;
+      found = (key.ReadValue(_name.c_str(), &read_value)) &&
+              (read_value.size() == _value.size()) &&
+              (std::equal(_value.begin(), _value.end(), read_value.begin(),
+                          CaseInsensitiveCompare<wchar_t>()));
     } else {
       DWORD read_value;
       found = key.ReadValueDW(_name.c_str(), &read_value) &&