Fix registerProtocolHandler OS registration on Windows 8

chrome/browser/shell_integration_win.cc

Index: chrome/browser/shell_integration_win.cc
diff --git a/chrome/browser/shell_integration_win.cc b/chrome/browser/shell_integration_win.cc
index 08b988589ea6495f6b697c69de3544ed9be5ba21..23565123b7ec0488be012563a6cd85bf0c444c85 100644
--- a/chrome/browser/shell_integration_win.cc
+++ b/chrome/browser/shell_integration_win.cc
@@ -461,6 +461,26 @@ bool ShellIntegration::SetAsDefaultBrowserInteractive() {
   return true;
 }
 
+bool ShellIntegration::SetAsDefaultProtocolClientInteractive(
+    const std::string& protocol) {
+  FilePath chrome_exe;
+  if (!PathService::Get(base::FILE_EXE, &chrome_exe)) {
+    NOTREACHED() << "Error getting app exe path";
+    return false;
+  }
+
+  BrowserDistribution* dist = BrowserDistribution::GetDistribution();
+  string16 wprotocol = UTF8ToUTF16(protocol);
+  if (!ShellUtil::ShowMakeChromeDefaultProtocolClientSystemUI(
+      dist, chrome_exe.value(), wprotocol)) {
+    LOG(ERROR) << "Failed to launch the set-default Windows UI.";
+    return false;
+  }
+
+  VLOG(1) << "Set-as-default Windows UI triggered.";
+  return true;
+}
+
 ShellIntegration::DefaultWebClientState ShellIntegration::IsDefaultBrowser() {
   // When we check for default browser we don't necessarily want to count file
   // type handlers and icons as having changed the default browser status,