Update some uses of Value in chrome/browser to use the base:: namespace.

chrome/browser/bookmarks/bookmark_expanded_state_tracker.cc

 // Copyright (c) 2012 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.
 
 #include "chrome/browser/bookmarks/bookmark_expanded_state_tracker.h"
 
 #include "base/prefs/pref_service.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/values.h"
 #include "chrome/browser/bookmarks/bookmark_model.h"
@@ skipping 17 matching lines @@
 
 BookmarkExpandedStateTracker::Nodes
 BookmarkExpandedStateTracker::GetExpandedNodes() {
   Nodes nodes;
   if (!bookmark_model_->loaded())
     return nodes;
 
   if (!pref_service_)
     return nodes;
 
-  const ListValue* value =
+  const base::ListValue* value =
       pref_service_->GetList(prefs::kBookmarkEditorExpandedNodes);
   if (!value)
     return nodes;
 
   bool changed = false;
-  for (ListValue::const_iterator i = value->begin(); i != value->end(); ++i) {
+  for (base::ListValue::const_iterator i = value->begin();
+       i != value->end(); ++i) {
     std::string value;
     int64 node_id;
     const BookmarkNode* node;
     if ((*i)->GetAsString(&value) && base::StringToInt64(value, &node_id) &&
         (node = bookmark_model_->GetNodeByID(node_id)) != NULL &&
         node->is_folder()) {
       nodes.insert(node);
     } else {
       changed = true;
     }
@@ skipping 35 matching lines @@
 void BookmarkExpandedStateTracker::BookmarkAllNodesRemoved(
     BookmarkModel* model) {
   // Ask for the nodes again, which removes any nodes that were deleted.
   GetExpandedNodes();
 }
 
 void BookmarkExpandedStateTracker::UpdatePrefs(const Nodes& nodes) {
   if (!pref_service_)
     return;
 
-  ListValue values;
+  base::ListValue values;
   for (Nodes::const_iterator i = nodes.begin(); i != nodes.end(); ++i) {
     values.Set(values.GetSize(),
-               new StringValue(base::Int64ToString((*i)->id())));
+               new base::StringValue(base::Int64ToString((*i)->id())));
   }
 
   pref_service_->Set(prefs::kBookmarkEditorExpandedNodes, values);
 }