Convert performance monitor to the subscription model.

third_party/WebKit/LayoutTests/inspector/input-event-warning.html

Index: third_party/WebKit/LayoutTests/inspector/input-event-warning.html
diff --git a/third_party/WebKit/LayoutTests/inspector/input-event-warning.html b/third_party/WebKit/LayoutTests/inspector/input-event-warning.html
index e3936908ac4b8bd934dcd46a0c8cacd8719529ec..2b1c62bd4f0f0eae50fb54e0f4059b6471bcd440 100644
--- a/third_party/WebKit/LayoutTests/inspector/input-event-warning.html
+++ b/third_party/WebKit/LayoutTests/inspector/input-event-warning.html
@@ -42,7 +42,7 @@ function dispatchEvents()
        target.addEventListener(type, eventListener1);
        target.addEventListener(type, eventListener2);
     }
-    var deadline = performance.now() + 110;
+    var deadline = performance.now() + 100;
     while (performance.now() < deadline) {};
     if (window.testRunner)
         window.testRunner.setDumpConsoleMessages(false);
@@ -67,13 +67,15 @@ function test()
 
     function step1()
     {
-        InspectorTest.mainTarget.logAgent().setReportViolationsEnabled(false);
+        InspectorTest.mainTarget.logAgent().startViolationsReport([
+            {name: 'blockedEvent', threshold: 30000}]);
         InspectorTest.evaluateInPage("dispatchEvents()", step2);
     }
 
     function step2()
     {
-        InspectorTest.mainTarget.logAgent().setReportViolationsEnabled(true);
+        InspectorTest.mainTarget.logAgent().startViolationsReport([
+            {name: 'blockedEvent', threshold: 0.001}]);
         InspectorTest.addResult("There should be no warnings above this line");
         InspectorTest.evaluateInPage("dispatchEvents()", () => InspectorTest.completeTest());
     }