DevTools: Add timestamp support in the console

LayoutTests/inspector-protocol/console/console-timestamp.html

Index: LayoutTests/inspector-protocol/console/console-timestamp.html
diff --git a/LayoutTests/inspector-protocol/console/console-timestamp.html b/LayoutTests/inspector-protocol/console/console-timestamp.html
index 8876cd6b3336716e0ba0f2ec8335852023ed44f3..4e62621caeb577afe2cb22e3471972a6cb2c7f20 100644
--- a/LayoutTests/inspector-protocol/console/console-timestamp.html
+++ b/LayoutTests/inspector-protocol/console/console-timestamp.html
@@ -25,22 +25,10 @@ function test()
         messages.push(payload);
         InspectorTest.assert(payload.timestamp, "No timestamp found in message.");
 
-        InspectorTest.assert(Math.abs(new Date().getTime() / 1000 - payload.timestamp) < 60, "Timestamp shouldn't differ very much from current time (one minute interval).");
-    }
-
-    function messageRepeatCountUpdated(data)
-    {
-        InspectorTest.assert(data.params.timestamp, "No timestamp found on repeat count update.");
-
-        var updatedTimestamp = data.params.timestamp;
-
-        InspectorTest.assert(updatedTimestamp >= messages[messages.length - 1].timestamp, "Timestamp shouldn't decrease over time.");
-
-        InspectorTest.completeTest();
+        InspectorTest.assert(Math.abs(new Date().getTime() - payload.timestamp) < 60000, "Timestamp shouldn't differ very much from current time (one minute interval).");
     }
 
     InspectorTest.eventHandler["Console.messageAdded"] = messageAdded;
-    InspectorTest.eventHandler["Console.messageRepeatCountUpdated"] = messageRepeatCountUpdated;
     InspectorTest.sendCommand("Console.enable", {});
 
     InspectorTest.sendCommand("Runtime.evaluate", { expression: "console.log('testUnique'); for (var i = 0; i < 2; ++i) console.log('testDouble');" });