[Chromoting] Let the Linux start-host app take a redirect-URL parameter.

remoting/host/setup/win/auth_code_getter.cc

Index: remoting/host/setup/win/auth_code_getter.cc
diff --git a/remoting/host/setup/win/auth_code_getter.cc b/remoting/host/setup/win/auth_code_getter.cc
index fd4898629a4cf2c8787ae8da19e029068fd35c65..89ce104b8f347a729b8153675b07a076a7a0c19a 100644
--- a/remoting/host/setup/win/auth_code_getter.cc
+++ b/remoting/host/setup/win/auth_code_getter.cc
@@ -40,7 +40,8 @@ void AuthCodeGetter::GetAuthCode(
     return;
   }
   browser_running_ = true;
-  base::win::ScopedBstr url(UTF8ToWide(GetOauthStartUrl()).c_str());
+  base::win::ScopedBstr url(UTF8ToWide(
+      GetOauthStartUrl(GetDefaultOauthRedirectUrl())).c_str());
   base::win::ScopedVariant empty_variant;
   hr = browser_->Navigate(url, empty_variant.AsInput(), empty_variant.AsInput(),
                           empty_variant.AsInput(), empty_variant.AsInput());
@@ -77,7 +78,8 @@ bool AuthCodeGetter::TestBrowserUrl(std::string* auth_code) {
     KillBrowser();
     return true;
   }
-  *auth_code = GetOauthCodeInUrl(WideToUTF8(static_cast<BSTR>(url)));
+  *auth_code = GetOauthCodeInUrl(WideToUTF8(static_cast<BSTR>(url)),
+                                 GetDefaultOauthRedirectUrl());
   if (!auth_code->empty()) {
     KillBrowser();
     return true;