Timeline addTraceProvider API

third_party/WebKit/Source/devtools/front_end/extensions/ExtensionTraceProvider.js

Index: third_party/WebKit/Source/devtools/front_end/extensions/ExtensionTraceProvider.js
diff --git a/third_party/WebKit/Source/devtools/front_end/extensions/ExtensionTraceProvider.js b/third_party/WebKit/Source/devtools/front_end/extensions/ExtensionTraceProvider.js
new file mode 100644
index 0000000000000000000000000000000000000000..3974c2c0a0c5e26793faa1a96b22a935d186cf02
--- /dev/null
+++ b/third_party/WebKit/Source/devtools/front_end/extensions/ExtensionTraceProvider.js
@@ -0,0 +1,102 @@
+/**
+ * @constructor
+ * @param {string} extensionOrigin
+ * @param {string} id
+ * @param {string} categoryName
+ * @param {string} categoryTooltip
+ */
+WebInspector.ExtensionTraceProvider = function(extensionOrigin, id, categoryName, categoryTooltip)
+{
+    this._extensionOrigin = extensionOrigin;
+    this._id = id;
+    this._categoryName = categoryName;
+    this._categoryTooltip = categoryTooltip;
+    this._storage = new WebInspector.TempFileBackingStorage("extension-" + this._categoryName);
+    this._tracingModel = new WebInspector.TracingModel(this._storage);
+    this._traceData = null;
+}
+
+WebInspector.ExtensionTraceProvider.prototype = {
+    get id()
+    {
+        return this._id;
+    },
+
+    get categoryName()
+    {
+        return this._categoryName;
+    },
+
+    get categoryTooltip()
+    {
+        return this._categoryTooltip;
+    },
+
+    get tracingModel()
+    {
+        return this._tracingModel;
+    },
+
+    get traceData()
+    {
+        return this._traceData;
+    },
+
+    run: function()
+    {
+        WebInspector.extensionServer.startTraceRecording(this.id);
+    },
+
+    /**
+     * @param {!Array.<!WebInspector.NetworkRequest>} requests
+     */
+    stop: function(requests)
+    {
+        this._traceData = new WebInspector.ExtensionTraceData(this);
+        WebInspector.extensionServer.stopTraceRecording(this.id, this._traceData);
+    }
+}
+
+/**
+ * @constructor
+ * @param {!WebInspector.ExtensionTraceProvider} traceProvider
+ */
+WebInspector.ExtensionTraceData = function(traceProvider)
+{
+    this._traceProvider = traceProvider;
+    this._id = traceProvider.id + "-" + ++WebInspector.ExtensionTraceData._lastId;
+    this._threadName = null;
+    this._events = null;
+}
+
+WebInspector.ExtensionTraceData.prototype = {
+    /**
+     * @return {string}
+     */
+    id: function()
+    {
+        return this._id;
+    },
+
+    /**
+     * @param {string} threadName
+     * @param {!Object} events
+     */
+    addTraceData: function(threadName, events)
+    {
+        this._threadName = threadName;
+        this._events = events;
+    },
+
+    get threadName()
+    {
+        return this._threadName;
+    },
+
+    get events()
+    {
+      return this._events;
+    }
+}
+
+WebInspector.ExtensionTraceData._lastId = 0;