DevTools: track more elements panel user actions

third_party/WebKit/Source/devtools/front_end/elements/StylesSidebarPane.js

Index: third_party/WebKit/Source/devtools/front_end/elements/StylesSidebarPane.js
diff --git a/third_party/WebKit/Source/devtools/front_end/elements/StylesSidebarPane.js b/third_party/WebKit/Source/devtools/front_end/elements/StylesSidebarPane.js
index 98765e8b0dac739fd0edca8fea663625801dd2b6..e8a9be7050284bf6d8c96bd41e0340a24bb32ad2 100644
--- a/third_party/WebKit/Source/devtools/front_end/elements/StylesSidebarPane.js
+++ b/third_party/WebKit/Source/devtools/front_end/elements/StylesSidebarPane.js
@@ -2088,6 +2088,7 @@ Elements.StylePropertyTreeElement = class extends UI.TreeElement {
     this.listItemElement.addEventListener('mousedown', this._mouseDown.bind(this));
     this.listItemElement.addEventListener('mouseup', this._resetMouseDownElement.bind(this));
     this.listItemElement.addEventListener('click', this._mouseClick.bind(this));
+    this.listItemElement.addEventListener('copy', this._clipboardCopy.bind(this));

[pfeldman, 2017/02/08 19:04:48]

You just created a lot of listeners for no good reason. Place one on the
sidebar's element instead.

[chenwilliam, 2017/02/10 22:53:38]

Done.

   }
 
   /**
@@ -2111,6 +2112,10 @@ Elements.StylePropertyTreeElement = class extends UI.TreeElement {
     }
   }
 
+  _clipboardCopy() {
+    Host.userMetrics.actionTaken(Host.UserMetrics.Action.StyleRuleCopied);
+  }
+
   /**
    * @override
    */