DevTools: extract TracingManager from TracingModel, step 2

Source/devtools/front_end/timeline/TracingModel.js

Index: Source/devtools/front_end/timeline/TracingModel.js
diff --git a/Source/devtools/front_end/sdk/TracingModel.js b/Source/devtools/front_end/timeline/TracingModel.js
similarity index 83%
rename from Source/devtools/front_end/sdk/TracingModel.js
rename to Source/devtools/front_end/timeline/TracingModel.js
index a41df029a8ac517ed2f784b3bd6c33559cb6f898..693e631fd91333ecfcd7a3231448b76f212760cc 100644
--- a/Source/devtools/front_end/sdk/TracingModel.js
+++ b/Source/devtools/front_end/timeline/TracingModel.js
@@ -6,132 +6,6 @@
 
 /**
  * @constructor
- * @extends {WebInspector.Object}
- * @implements {WebInspector.TargetManager.Observer}
- */
-WebInspector.TracingManager = function()
-{
-    WebInspector.Object.call(this);
-    this._active = false;
-    WebInspector.targetManager.observeTargets(this);
-}
-
-WebInspector.TracingManager.Events = {
-    "BufferUsage": "BufferUsage",
-    "TracingStarted": "TracingStarted",
-    "EventsCollected": "EventsCollected",
-    "TracingStopped": "TracingStopped",
-    "TracingComplete": "TracingComplete"
-}
-
-/** @typedef {!{
-        cat: string,
-        pid: number,
-        tid: number,
-        ts: number,
-        ph: string,
-        name: string,
-        args: !Object,
-        dur: number,
-        id: number,
-        s: string
-    }}
- */
-WebInspector.TracingManager.EventPayload;
-
-
-WebInspector.TracingManager.prototype = {
-    /**
-     * @param {!WebInspector.Target} target
-     */
-    targetAdded: function(target)
-    {
-        if (this._target)
-            return;
-        this._target = target;
-        InspectorBackend.registerTracingDispatcher(new WebInspector.TracingDispatcher(this));
-    },
-
-    /**
-     * @param {!WebInspector.Target} target
-     */
-    targetRemoved: function(target)
-    {
-        if (this._target !== target)
-            return;
-        delete this._target;
-    },
-
-    /**
-     * @param {number} usage
-     */
-    _bufferUsage: function(usage)
-    {
-        this.dispatchEventToListeners(WebInspector.TracingManager.Events.BufferUsage, usage);
-    },
-
-    /**
-     * @param {!Array.<!WebInspector.TracingManager.EventPayload>} events
-     */
-    _eventsCollected: function(events)
-    {
-        this.dispatchEventToListeners(WebInspector.TracingManager.Events.EventsCollected, events);
-    },
-
-    _tracingComplete: function()
-    {
-        this.dispatchEventToListeners(WebInspector.TracingManager.Events.TracingComplete);
-    },
-
-    _tracingStarted: function()
-    {
-        if (this._active)
-            return;
-        this._active = true;
-        this.dispatchEventToListeners(WebInspector.TracingManager.Events.TracingStarted);
-    },
-
-    /**
-     * @param {string} categoryFilter
-     * @param {string} options
-     * @param {function(?string)=} callback
-     */
-    start: function(categoryFilter, options, callback)
-    {
-        if (this._active)
-            return;
-        WebInspector.profilingLock().acquire();
-        this._shouldReleaseLock = true;
-        var bufferUsageReportingIntervalMs = 500;
-        TracingAgent.start(categoryFilter, options, bufferUsageReportingIntervalMs, callback);
-        this._tracingStarted();
-        this._active = true;
-    },
-
-    stop: function()
-    {
-        if (!this._active)
-            return;
-        TracingAgent.end(this._onStop.bind(this));
-        if (this._shouldReleaseLock) {
-            this._shouldReleaseLock = false;
-            WebInspector.profilingLock().release();
-        }
-    },
-
-    _onStop: function()
-    {
-        if (!this._active)
-            return;
-        this.dispatchEventToListeners(WebInspector.TracingManager.Events.TracingStopped);
-        this._active = false;
-    },
-
-    __proto__: WebInspector.Object.prototype
-}
-
-/**
- * @constructor
  */
 WebInspector.TracingModel = function()
 {
@@ -795,42 +669,3 @@ WebInspector.TracingModel.Thread.prototype = {
 
     __proto__: WebInspector.TracingModel.NamedObject.prototype
 }
-
-
-/**
- * @constructor
- * @implements {TracingAgent.Dispatcher}
- * @param {!WebInspector.TracingManager} tracingManager
- */
-WebInspector.TracingDispatcher = function(tracingManager)
-{
-    this._tracingManager = tracingManager;
-}
-
-WebInspector.TracingDispatcher.prototype = {
-    /**
-     * @param {number} usage
-     */
-    bufferUsage: function(usage)
-    {
-        this._tracingManager._bufferUsage(usage);
-    },
-
-    /**
-     * @param {!Array.<!WebInspector.TracingManager.EventPayload>} data
-     */
-    dataCollected: function(data)
-    {
-        this._tracingManager._eventsCollected(data);
-    },
-
-    tracingComplete: function()
-    {
-        this._tracingManager._tracingComplete();
-    },
-
-    started: function()
-    {
-        this._tracingManager._tracingStarted();
-    }
-}