Clean up enhanced_bookmark_utils.h/cc

components/enhanced_bookmarks/enhanced_bookmark_utils.h

Index: components/enhanced_bookmarks/enhanced_bookmark_utils.h
diff --git a/components/enhanced_bookmarks/enhanced_bookmark_utils.h b/components/enhanced_bookmarks/enhanced_bookmark_utils.h
index 97a9b278cc20b07fb276d5581c31c549723d8826..c66fa9adf8c07b69bc46c0f791ce27784559797b 100644
--- a/components/enhanced_bookmarks/enhanced_bookmark_utils.h
+++ b/components/enhanced_bookmarks/enhanced_bookmark_utils.h
@@ -16,8 +16,6 @@ class BookmarkNode;
 
 namespace enhanced_bookmarks {
 
-static const char kLaunchLocationUMA[] = "Stars.LaunchLocation";
-
 // Possible locations where a bookmark can be opened from.
 // Please sync with the corresponding histograms.xml.
 //
@@ -33,10 +31,6 @@ enum LaunchLocation {
   COUNT = 6,
 };
 
-// The vector is sorted in place.
-// All of the bookmarks in |nodes| must be urls.
-void SortBookmarksByName(std::vector<const bookmarks::BookmarkNode*>& nodes);
-
 // Returns the permanent nodes whose url children are considered uncategorized
 // and whose folder children should be shown in the bookmark menu.
 // |model| must be loaded.