Remove unused bookmark model helper function.

chrome/browser/bookmarks/bookmark_model.cc

Index: chrome/browser/bookmarks/bookmark_model.cc
diff --git a/chrome/browser/bookmarks/bookmark_model.cc b/chrome/browser/bookmarks/bookmark_model.cc
index 6f66bdc8beaf61188225a71c2917f20998136153..b44ee90cb96f7ac1023b9c5d013faaf928693322 100644
--- a/chrome/browser/bookmarks/bookmark_model.cc
+++ b/chrome/browser/bookmarks/bookmark_model.cc
@@ -13,7 +13,6 @@
 #include "base/sequenced_task_runner.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
-#include "base/values.h"
 #include "chrome/browser/bookmarks/bookmark_expanded_state_tracker.h"
 #include "chrome/browser/bookmarks/bookmark_index.h"
 #include "chrome/browser/bookmarks/bookmark_model_observer.h"
@@ -44,25 +43,6 @@ BookmarkNode* AsMutable(const BookmarkNode* node) {
   return const_cast<BookmarkNode*>(node);
 }
 
-// Helper to recursively determine if a Dictionary has any valid values.
-bool HasValues(const base::DictionaryValue& root) {
-  if (root.empty())
-    return false;
-  for (base::DictionaryValue::Iterator iter(root); !iter.IsAtEnd();
-       iter.Advance()) {
-    const base::Value& value = iter.value();
-    if (value.IsType(base::Value::TYPE_DICTIONARY)) {
-      const base::DictionaryValue* dict_value = NULL;
-      if (value.GetAsDictionary(&dict_value) && HasValues(*dict_value))
-        return true;
-    } else {
-      // A non dictionary type was encountered, assume it's a valid value.
-      return true;
-    }
-  }
-  return false;
-}
-
 // Whitespace characters to strip from bookmark titles.
 const char16 kInvalidChars[] = {
   '\n', '\r', '\t',
@@ -152,7 +132,6 @@ const BookmarkNode::MetaInfoMap* BookmarkNode::GetMetaInfoMap() const {
   return meta_info_map_.get();
 }
 
-
 void BookmarkNode::Initialize(int64 id) {
   id_ = id;
   type_ = url_.is_empty() ? FOLDER : URL;