Devtools UI: Show multiple shortcuts, show more shortcuts

Source/devtools/front_end/ui/Toolbar.js

Index: Source/devtools/front_end/ui/Toolbar.js
diff --git a/Source/devtools/front_end/ui/Toolbar.js b/Source/devtools/front_end/ui/Toolbar.js
index 4a1888e7956c964ef4e09730594c2895514740cd..c63f623e5a3c2836019e27b7c311a23c49ffe4dd 100644
--- a/Source/devtools/front_end/ui/Toolbar.js
+++ b/Source/devtools/front_end/ui/Toolbar.js
@@ -404,7 +404,21 @@ WebInspector.ToolbarButtonBase.prototype = {
     setAction: function(actionId)
     {
         this._actionId = actionId;
-        WebInspector.Tooltip.install(this.element, this._title, undefined, this._actionId);
+        this._updateTooltip();
+    },
+
+    /**
+     * @param {!Array.<!WebInspector.KeyboardShortcut.Descriptor>} keys
+     */
+    setShortcut: function(keys)
+    {
+        this._shortcutKeys = keys;
+        this._updateTooltip();
+    },
+
+    _updateTooltip: function()
+    {
+        WebInspector.Tooltip.install(this.element, this._title, undefined, this._actionId, this._shortcutKeys);
     },
 
     /**
@@ -440,7 +454,7 @@ WebInspector.ToolbarButtonBase.prototype = {
         if (this._title === title)
             return;
         this._title = title;
-        WebInspector.Tooltip.install(this.element, title, undefined, this._actionId);
+        this._updateTooltip();
     },
 
     /**