Make default browser path check case insensitive.

chrome/browser/shell_integration.cc

Index: chrome/browser/shell_integration.cc
diff --git a/chrome/browser/shell_integration.cc b/chrome/browser/shell_integration.cc
index 0c45d568680081aae177255e65c39e6e4a5e1504..ebcadbd1c45853cc25c1c4361ca6c8bb85c8be8d 100644
--- a/chrome/browser/shell_integration.cc
+++ b/chrome/browser/shell_integration.cc
@@ -110,7 +110,11 @@ bool ShellIntegration::IsDefaultBrowser() {
       std::wstring short_path;
       GetShortPathName(command_line.program().c_str(),
                        WriteInto(&short_path, MAX_PATH), MAX_PATH);
-      if (short_path != short_app_path)
+      if ((short_path.size() != short_app_path.size()) ||
+          (!std::equal(short_path.begin(),
+                       short_path.end(),
+                       short_app_path.begin(),
+                       CaseInsensitiveCompare<wchar_t>())))
         return false;
     }
   }