WebRtcInternalsPerfBrowserTest: Assert flags are used to avoid timeout.

This is the same as CL
https://chromium-review.googlesource.com/c/chromium/tools/build/+/1798122
but for the codepath executed by
RunsOneWayCall60SecsAndLogsInternalMetricsDefault and other tests.

Bug: 999136
Change-Id: Ib2000128c983f57c65abfba68bdff4bbe3febcd3
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1860018Reviewed-by: Mirko Bonadei <mbonadei@chromium.org>
Commit-Queue: Henrik Boström <hbos@chromium.org>
Cr-Commit-Position: refs/heads/master@{#705545}

chrome/browser/media/webrtc/webrtc_internals_perf_browsertest.cc

@@ -184,9 +184,16 @@ class WebRtcInternalsPerfBrowserTest : public WebRtcTestBase {
     ASSERT_TRUE(test::HasReferenceFilesInCheckout());
     ASSERT_TRUE(embedded_test_server()->Start());
 
+    ASSERT_GE(TestTimeouts::test_launcher_timeout().InSeconds(), 100)
+        << "This is a long-running test; you must specify "
+           "--test-launcher-timeout to have a value of at least 100000.";
     ASSERT_GE(TestTimeouts::action_max_timeout().InSeconds(), 100)
         << "This is a long-running test; you must specify "
            "--ui-test-action-max-timeout to have a value of at least 100000.";
+    ASSERT_LT(TestTimeouts::action_max_timeout(),
+              TestTimeouts::test_launcher_timeout())
+        << "action_max_timeout needs to be strictly-less-than "
+           "test_launcher_timeout";
 
     content::WebContents* left_tab =
         OpenTestPageAndGetUserMediaInNewTab(kMainWebrtcTestHtmlPage);