Allows client to access auth token from command line specified file.

blimp/test/browser_tests/blimp_browser_test.cc

Index: blimp/test/browser_tests/blimp_browser_test.cc
diff --git a/blimp/test/browser_tests/blimp_browser_test.cc b/blimp/test/browser_tests/blimp_browser_test.cc
index 7c0ea5295e53c1ee74c7a28a6b9cad8d5017d0e3..60597e9be147bc034ec204c91d99604fbc3e3847 100644
--- a/blimp/test/browser_tests/blimp_browser_test.cc
+++ b/blimp/test/browser_tests/blimp_browser_test.cc
@@ -14,10 +14,11 @@
 #include "base/run_loop.h"
 #include "blimp/client/app/blimp_client_switches.h"
 #include "blimp/client/session/assignment_source.h"
+#include "blimp/common/get_client_token.h"
+#include "blimp/common/switches.h"
 #include "blimp/engine/app/blimp_browser_main_parts.h"
 #include "blimp/engine/app/blimp_content_browser_client.h"
 #include "blimp/engine/app/blimp_engine_config.h"
-#include "blimp/engine/app/switches.h"
 #include "blimp/engine/app/test_content_main_delegate.h"
 #include "blimp/engine/session/blimp_engine_session.h"
 #include "content/public/browser/browser_thread.h"
@@ -59,7 +60,7 @@ void BlimpBrowserTest::OnGetEnginePort(uint16_t port) {
 
 client::Assignment BlimpBrowserTest::GetAssignment() {
   client::Assignment assignment;
-  assignment.client_token = client::kDummyClientToken;
+  assignment.client_token = GetClientToken(command_line);
   assignment.engine_endpoint =
       net::IPEndPoint(net::IPAddress::IPv4Localhost(), engine_port_);
   assignment.transport_protocol = client::Assignment::TransportProtocol::TCP;