Emulation.setVirtualTimePolicy to have an optional virtual time budge

third_party/WebKit/Source/core/inspector/browser_protocol.json

 {
     "version": { "major": "1", "minor": "1" },
     "domains": [{
         "domain": "Inspector",
         "hidden": true,
         "types": [],
         "commands": [
             {
                 "name": "enable",
                 "description": "Enables inspector domain notifications.",
@@ skipping 794 matching lines @@
             {
                 "name": "canEmulate",
                 "description": "Tells whether emulation is supported.",
                 "returns": [
                     { "name": "result", "type": "boolean", "description": "True if emulation is supported." }
                 ],
                 "handlers": ["browser"]
             },
             {
                 "name": "setVirtualTimePolicy",
-                "description": "Turns on virtual time for all frames (replacing real-time with a synthetic time source) and sets the current virtual time policy.",
+                "description": "Turns on virtual time for all frames (replacing real-time with a synthetic time source) and sets the current virtual time policy.  Note this supersedes any previous time budget.",
                 "parameters": [
-                    { "name": "policy", "$ref": "VirtualTimePolicy" }
+                    { "name": "policy", "$ref": "VirtualTimePolicy" },
+                    { "name": "budget", "type": "integer", "optional": true, "description": "If set, after this many virtual milliseconds have elapsed virtual time will be paused and a virtualTimeBudgetExpired event is sent." }
                 ],
                 "hidden": true
             }
+        ],
+        "events": [
+            {
+                "name": "virtualTimeBudgetExpired",
+                "description": "Notification sent after the virual time budget for the current VirtualTimePolicy has run out."
+            }
         ]
     },
     {
         "domain": "Security",
         "description": "Security",
         "hidden": true,
         "types": [
             {
                 "id": "CertificateId",
                 "type": "integer",
@@ skipping 3630 matching lines @@
                 "description": "Informs that port was successfully bound and got a specified connection id.",
                 "parameters": [
                     {"name": "port", "type": "integer", "description": "Port number that was successfully bound." },
                     {"name": "connectionId", "type": "string", "description": "Connection id to be used." }
                 ],
                 "handlers": ["browser"]
             }
         ]
     }]
 }