Unflake console-cross-origin-iframe-logging.js

It does timeout sometimes on Win.

Bug: 667560
Change-Id: I2047340ce939414ce19b1ddc61d4423d35e12e2d
Reviewed-on: https://chromium-review.googlesource.com/904771Reviewed-by: Aleksey Kozyatinskiy <kozyatinskiy@chromium.org>
Commit-Queue: Dmitry Gozman <dgozman@chromium.org>
Cr-Commit-Position: refs/heads/master@{#534809}

third_party/WebKit/LayoutTests/http/tests/devtools/console-cross-origin-iframe-logging-expected.txt

@@ -2,5 +2,5 @@ Tests that cross origin errors are logged with source url and line number.
 
 console-cross-origin…frame-logging.js:25 Failed to execute 'postMessage' on 'DOMWindow': The target origin provided ('http://127.0.0.1:8000') does not match the recipient window's origin ('http://localhost:8000').
 accessFrame @ console-cross-origin…frame-logging.js:25
-(anonymous) @ console-cross-origin…frame-logging.js:32
+(anonymous) @ console-cross-origin…frame-logging.js:31
 

third_party/WebKit/LayoutTests/http/tests/devtools/console-cross-origin-iframe-logging.js

@@ -26,16 +26,11 @@
       }
   `);
 
-  var finishAttemptsLeft = 2;
-  ConsoleTestRunner.addConsoleSniffer(maybeFinish, true);
+  ConsoleTestRunner.addConsoleSniffer(finish);
   Common.settingForTest('monitoringXHREnabled').set(true);
-  TestRunner.evaluateInPage('accessFrame()', maybeFinish);
-
-  function maybeFinish() {
-    --finishAttemptsLeft;
-    if (finishAttemptsLeft)
-      return;
+  TestRunner.evaluateInPage('accessFrame()');
 
+  function finish() {
     Common.settingForTest('monitoringXHREnabled').set(false);
     ConsoleTestRunner.dumpConsoleMessages();
     TestRunner.completeTest();