DevTools: Support properly multiple targets in sources panel

Source/devtools/front_end/sources/WatchExpressionsSidebarPane.js

Index: Source/devtools/front_end/sources/WatchExpressionsSidebarPane.js
diff --git a/Source/devtools/front_end/sources/WatchExpressionsSidebarPane.js b/Source/devtools/front_end/sources/WatchExpressionsSidebarPane.js
index 24d08fc9eb2d7de0882faab7324a796c739d9ef2..80b97689bed226c705384db4454483d907a7c5f7 100644
--- a/Source/devtools/front_end/sources/WatchExpressionsSidebarPane.js
+++ b/Source/devtools/front_end/sources/WatchExpressionsSidebarPane.js
@@ -52,6 +52,7 @@ WebInspector.WatchExpressionsSidebarPane = function()
     addButton.title = WebInspector.UIString("Add watch expression");
 
     this._requiresUpdate = true;
+    WebInspector.context.addFlavorChangeListener(WebInspector.ExecutionContext ,this.refreshExpressions, this);
 }
 
 WebInspector.WatchExpressionsSidebarPane.prototype = {
@@ -60,11 +61,6 @@ WebInspector.WatchExpressionsSidebarPane.prototype = {
         this._refreshExpressionsIfNeeded();
     },
 
-    reset: function()
-    {
-        this.refreshExpressions();
-    },
-
     refreshExpressions: function()
     {
         this._requiresUpdate = true;