DevTools: Profiler domain refactoring: encode timestamps as deltas.

third_party/WebKit/LayoutTests/inspector/tracing/trace-event-self-time.html

Index: third_party/WebKit/LayoutTests/inspector/tracing/trace-event-self-time.html
diff --git a/third_party/WebKit/LayoutTests/inspector/tracing/trace-event-self-time.html b/third_party/WebKit/LayoutTests/inspector/tracing/trace-event-self-time.html
index 17a8a92340ac3e5f90b313236158287dc3568dee..4885de199fd7cb6665835b68dc5256bf9f87f240 100644
--- a/third_party/WebKit/LayoutTests/inspector/tracing/trace-event-self-time.html
+++ b/third_party/WebKit/LayoutTests/inspector/tracing/trace-event-self-time.html
@@ -260,8 +260,8 @@ function test()
     ];
 
     var cpuProfile = {
-        startTime: 420,
-        endTime: 430,
+        startTime: 420e3,
+        endTime: 430e3,
         nodes: [
             {
                 callFrame: { functionName: "(root)" },
@@ -284,8 +284,8 @@ function test()
                 children: []
             }
         ],
-        timestamps: [421000, 422000, 423000, 424000, 425000, 426000, 427000, 428000, 429000],
-        samples: [2, 2, 3, 3, 3, 4, 4, 2, 2 ]
+        timestampDeltas: new Array(9).fill(1000),
+        samples: [2, 2, 3, 3, 3, 4, 4, 2, 2]
     };
 
     var timelineController = InspectorTest.timelineController();
@@ -293,7 +293,7 @@ function test()
     timelineController.traceEventsCollected(rawTraceEvents);
     timelineController._allSourcesFinished();
     var events = InspectorTest.timelineModel().inspectedTargetEvents();
-    events.forEach(e => InspectorTest.addResult(e.name + ": " + e.startTime + " " + (e.selfTime || 0).toFixed(2) + "/" + (e.duration || 0).toFixed(2)));
+    events.forEach(e => InspectorTest.addResult(`${e.name}: ${e.startTime} ${(e.selfTime || 0).toFixed(2)}/${(e.duration || 0).toFixed(2)}`));
     InspectorTest.completeTest();
 }