For estimating usage of "Recent" and "Search" folders, we would like …

…to have usage count of them.

This patch adds UMA count into navigateTo() to counting number of navigation to folders for usage ratio of "Recent" and "Search" folders.

BUG=238911
R=arv@chromium.org, isherman@chromium.org

Review URL: https://codereview.chromium.org/14703003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@199089 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/resources/bookmark_manager/js/main.js

@@ -106,6 +106,20 @@ var commandShortcutMap = cr.isMac ? {
   'undo': 'Ctrl-U+005A',
 };
 
+/**
+ * Mapping for folder id to suffix of UMA. These names will be appeared
+ * after "BookmarkManager_NavigateTo_" in UMA dashboard.
+ * @const
+ */
+var folderMetricsNameMap = {
+  '1': 'BookmarkBar',
+  '2': 'Other',
+  '3': 'Mobile',
+  'recent': 'Recent',
+  'q=': 'Search',
+  'subfolder': 'SubFolder',
+};
+
 /**
  * Adds an event listener to a node that will remove itself after firing once.
  * @param {!Element} node The DOM node to add the listener to.
@@ -155,6 +169,11 @@ function navigateTo(id, callback) {
     return;
   }
 
+  var metricsId = folderMetricsNameMap[id.replace(/^q=.*/, 'q=')] ||
+                  folderMetricsNameMap['subfolder'];
+  chrome.metricsPrivate.recordUserAction(
+      'BookmarkManager_NavigateTo_' + metricsId);
+
   addOneShotEventListener(list, 'load', callback);
   updateParentId(id);
 }

tools/metrics/actions/extract_actions.py

@@ -317,6 +317,13 @@ def AddBookmarkManagerActions(actions):
   actions.add('BookmarkManager_Command_UndoGlobal')
   actions.add('BookmarkManager_Command_UndoNone')
 
+  actions.add('BookmarkManager_NavigateTo_BookmarkBar')
+  actions.add('BookmarkManager_NavigateTo_Mobile')
+  actions.add('BookmarkManager_NavigateTo_Other')
+  actions.add('BookmarkManager_NavigateTo_Recent')
+  actions.add('BookmarkManager_NavigateTo_Search')
+  actions.add('BookmarkManager_NavigateTo_SubFolder')
+
 def AddChromeOSActions(actions):
   """Add actions reported by non-Chrome processes in Chrome OS.