DevTools: Close all sources command

Add close all to command search for the sources pane.

BUG=619913

Review-Url: https://codereview.chromium.org/2080893002
Cr-Commit-Position: refs/heads/master@{#402307}

front_end/sources/SourcesView.js

@@ -786,3 +786,28 @@ WebInspector.SourcesView.SwitchFileActionDelegate.prototype = {
         return true;
     }
 }
+
+/**
+ * @constructor
+ * @implements {WebInspector.ActionDelegate}
+ */
+WebInspector.SourcesView.CloseAllActionDelegate = function()
+{
+}
+
+WebInspector.SourcesView.CloseAllActionDelegate.prototype = {
+    /**
+     * @override
+     * @param {!WebInspector.Context} context
+     * @param {string} actionId
+     * @return {boolean}
+     */
+    handleAction: function(context, actionId)
+    {
+        var sourcesView = WebInspector.context.flavor(WebInspector.SourcesView);
+        if (!sourcesView)
+            return false;
+        sourcesView._editorContainer.closeAllFiles();
+        return true;
+    }
+}

front_end/sources/TabbedEditorContainer.js

@@ -131,6 +131,11 @@ WebInspector.TabbedEditorContainer.prototype = {
         this._closeTabs([tabId]);
     },
 
+    closeAllFiles: function()
+    {
+        this._closeTabs(this._tabbedPane.allTabs());
+    },
+
     /**
      * @return {!Array.<!WebInspector.UISourceCode>}
      */

front_end/sources/module.json

@@ -332,6 +332,13 @@
             "persistence": "closeable",
             "order": 1000,
             "className": "WebInspector.SourcesPanel.WrapperView"
+        },
+        {
+            "type": "@WebInspector.ActionDelegate",
+            "category": "Sources",
+            "actionId": "sources.close-all",
+            "className": "WebInspector.SourcesView.CloseAllActionDelegate",
+            "title": "Close All"
         }
     ],
     "dependencies": [