[DevTools] unflake ..PauseInSharedWorkerInitialization

TBR=dgozman@chromium.org

Bug: chromium:432444
Change-Id: I4e703013cc1c0ddb243bf18e95eda199da618859
Reviewed-on: https://chromium-review.googlesource.com/847673Reviewed-by: Aleksey Kozyatinskiy <kozyatinskiy@chromium.org>
Commit-Queue: Aleksey Kozyatinskiy <kozyatinskiy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#526594}

chrome/browser/devtools/devtools_sanity_browsertest.cc

@@ -1839,7 +1839,7 @@ IN_PROC_BROWSER_TEST_F(WorkerDevToolsSanityTest, InspectSharedWorker) {
 
 // Flaky on multiple platforms. See http://crbug.com/432444
 IN_PROC_BROWSER_TEST_F(WorkerDevToolsSanityTest,
-                       DISABLED_PauseInSharedWorkerInitialization) {
+                       PauseInSharedWorkerInitialization) {
   ASSERT_TRUE(spawned_test_server()->Start());
   GURL url = spawned_test_server()->GetURL(kReloadSharedWorkerTestPage);
   ui_test_utils::NavigateToURL(browser(), url);

third_party/WebKit/Source/devtools/front_end/Tests.js

@@ -1198,7 +1198,7 @@
       if (SDK.targetManager.targets().length >= n)
         callback.call(null);
       else
-        this.addSniffer(SDK.TargetManager.prototype, 'addTarget', checkTargets.bind(this));
+        this.addSniffer(SDK.TargetManager.prototype, 'createTarget', checkTargets.bind(this));
     }
   };