Start Autofill Captured Sites tests in a maximized window

Some sites have very wide layouts which cause the tests to not find
elements if they are not on the initial screen, and save scrolling.

This fixes a couple tests on windows (sephora and carsforsale)

Change-Id: I9b959e76b48831bdb9d924764a81a754e1f829b3
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1761212Reviewed-by: Christos Froussios <cfroussios@chromium.org>
Commit-Queue: Ian Struiksma <ianstruiksma@google.com>
Cr-Commit-Position: refs/heads/master@{#688568}

chrome/browser/autofill/captured_sites_test_utils.cc

@@ -25,6 +25,7 @@
 #include "build/build_config.h"
 #include "chrome/browser/permissions/permission_request_manager.h"
 #include "chrome/browser/profiles/profile.h"
+#include "chrome/common/chrome_switches.h"
 #include "chrome/test/base/interactive_test_utils.h"
 #include "chrome/test/base/ui_test_utils.h"
 #include "components/app_modal/javascript_app_modal_dialog.h"
@@ -390,6 +391,7 @@ void TestRecipeReplayer::SetUpCommandLine(base::CommandLine* command_line) {
   command_line->AppendSwitchASCII(
       network::switches::kIgnoreCertificateErrorsSPKIList,
       kWebPageReplayCertSPKI);
+  command_line->AppendSwitch(switches::kStartMaximized);
 }
 
 void TestRecipeReplayer::Setup() {