DevTools: use recordEnumeratedHistogram instead of recordActionTaken

Source/devtools/front_end/devtools_app/InspectorFrontendHostImpl.js

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /**
  * @constructor
  * @implements {InspectorFrontendHostAPI}
  */
 WebInspector.InspectorFrontendHostImpl = function()
 {
@@ skipping 153 matching lines @@
      * @override
      * @param {string} message
      */
     sendMessageToBackend: function(message)
     {
         DevToolsHost.sendMessageToBackend(message);
     },
 
     /**
      * @override
+     * @param {string} actionName
      * @param {number} actionCode
+     * @param {number} bucketSize
      */
-    recordActionTaken: function(actionCode)
+    recordEnumeratedHistogram: function(actionName, actionCode, bucketSize)
     {
-        DevToolsAPI.sendMessageToEmbedder("recordActionUMA", ["DevTools.ActionTaken", actionCode], null);
+        DevToolsAPI.sendMessageToEmbedder("recordEnumeratedHistogram", [actionName, actionCode, bucketSize], null);
     },
 
     /**
-     * @override
-     * @param {number} panelCode
-     */
-    recordPanelShown: function(panelCode)
-    {
-        DevToolsAPI.sendMessageToEmbedder("recordActionUMA", ["DevTools.PanelShown", panelCode], null);
-    },
-
-    /**
      * @override
      */
     requestFileSystems: function()
     {
         DevToolsAPI.sendMessageToEmbedder("requestFileSystems", [], null);
     },
 
     /**
      * @override
      */
@@ skipping 135 matching lines @@
 
     /**
      * @override
      * @return {boolean}
      */
     isHostedMode: function()
     {
         return DevToolsHost.isHostedMode();
     },
 
+    // Backward-compatible methods below this line --------------------------------------------
+
     /**
      * Support for legacy front-ends (<M41).
      * @return {string}
      */
     port: function()
     {
         return "unknown";
     },
 
     /**
@@ skipping 80 matching lines @@
     {
         return "";
     },
 
     /**
      * Support for legacy front-ends (<M28).
      * @param {string} url
      */
     close: function(url)
     {
+    },
+
+    /**
+     * Support for legacy front-ends (<M44).
+     * @param {number} actionCode
+     */
+    recordActionTaken: function(actionCode)
+    {
+        this.recordEnumeratedHistogram("DevTools.ActionTaken", actionCode, 100);
+    },
+
+    /**
+     * Support for legacy front-ends (<M44).
+     * @param {number} panelCode
+     */
+    recordPanelShown: function(panelCode)
+    {
+        this.recordEnumeratedHistogram("DevTools.PanelShown", panelCode, 20);
     }
 }