Timeline addTraceProvider API

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

Index: third_party/WebKit/Source/devtools/front_end/extensions/ExtensionServer.js
diff --git a/third_party/WebKit/Source/devtools/front_end/extensions/ExtensionServer.js b/third_party/WebKit/Source/devtools/front_end/extensions/ExtensionServer.js
index 92fde8b013f621b9097e0b0288aa7a474221b7f4..a1dd6cbcb8dab5a6a06d9dd0777c9bbfbd8a6825 100644
--- a/third_party/WebKit/Source/devtools/front_end/extensions/ExtensionServer.js
+++ b/third_party/WebKit/Source/devtools/front_end/extensions/ExtensionServer.js
@@ -49,10 +49,14 @@ WebInspector.ExtensionServer = function()
     this._sidebarPanes = [];
     /** @type {!Array.<!WebInspector.ExtensionAuditCategory>} */
     this._auditCategories = [];
+    /** @type {!Array.<!WebInspector.ExtensionTraceProvider>} */
+    this._traceProviders = [];
+
 
     var commands = WebInspector.extensionAPI.Commands;
 
     this._registerHandler(commands.AddAuditCategory, this._onAddAuditCategory.bind(this));
+    this._registerHandler(commands.AddTraceProvider, this._onAddTraceProvider.bind(this));
     this._registerHandler(commands.AddAuditResult, this._onAddAuditResult.bind(this));
     this._registerHandler(commands.AddRequestHeaders, this._onAddRequestHeaders.bind(this));
     this._registerHandler(commands.ApplyStyleSheet, this._onApplyStyleSheet.bind(this));
@@ -87,7 +91,8 @@ WebInspector.ExtensionServer = function()
 
 WebInspector.ExtensionServer.Events = {
     SidebarPaneAdded: "SidebarPaneAdded",
-    AuditCategoryAdded: "AuditCategoryAdded"
+    AuditCategoryAdded: "AuditCategoryAdded",
+    TraceProviderAdded: "TraceProviderAdded"
 }
 
 WebInspector.ExtensionServer.prototype = {
@@ -170,6 +175,14 @@ WebInspector.ExtensionServer.prototype = {
     },
 
     /**
+     * @param {string} traceProviderId
+     */
+    startTraceProviderRun: function(traceProviderId)

[caseq, 2016/06/21 07:29:51]

nit: startTraceRecording

+    {
+        this._postNotification("recording-started-" + traceProviderId);
+    },
+
+    /**
      * @param {string} type
      * @return {boolean}
      */
@@ -582,6 +595,24 @@ WebInspector.ExtensionServer.prototype = {
         this.dispatchEventToListeners(WebInspector.ExtensionServer.Events.AuditCategoryAdded, category);
     },
 
+    _onAddTraceProvider: function(message, port)
+    {
+        var provider = new WebInspector.ExtensionTraceProvider(port._extensionOrigin, message.id, message.categoryName, message.categoryTooltip);
+        this._clientObjects[message.id] = provider;
+        this._traceProviders.push(provider);
+        this.dispatchEventToListeners(WebInspector.ExtensionServer.Events.TraceProviderAdded, message);

[caseq, 2016/06/21 07:29:51]

let's not leak extension messages outside of ExtensionServer, pass provider
instead of message.

+    },
+
+    /**
+     * @return {!Array.<!WebInspector.ExtensionTraceProvider>}
+     */
+    traceProviders: function()
+    {
+        return this._traceProviders;
+    },
+
+

[caseq, 2016/06/21 07:29:51]

nit: nuke extra empty lines

+
     /**
      * @return {!Array.<!WebInspector.ExtensionAuditCategory>}
      */