sync: Re-implement getAllNodes WebUI function

sync/syncable/directory.cc

 // Copyright 2013 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 "sync/syncable/directory.h"
 
 #include <iterator>
 
 #include "base/base64.h"
 #include "base/debug/trace_event.h"
@@ skipping 916 matching lines @@
   for (MetahandlesMap::iterator it = kernel_->metahandles_map.begin();
        it != kernel_->metahandles_map.end(); ++it) {
     EntryKernel* entry = it->second;
     const ModelType type = GetModelTypeFromSpecifics(entry->ref(SPECIFICS));
     (*num_entries_by_type)[type]++;
     if (entry->ref(IS_DEL))
       (*num_to_delete_entries_by_type)[type]++;
   }
 }
 
-scoped_ptr<base::ListValue> Directory::GetAllNodeDetails(
-    BaseTransaction* trans) {
+scoped_ptr<base::ListValue> Directory::GetNodeDetailsForType(
+    BaseTransaction* trans,
+    ModelType type) {
   scoped_ptr<base::ListValue> nodes(new base::ListValue());
 
   ScopedKernelLock lock(this);
   for (MetahandlesMap::iterator it = kernel_->metahandles_map.begin();
        it != kernel_->metahandles_map.end(); ++it) {
+    if (GetModelTypeFromSpecifics(it->second->ref(SPECIFICS)) != type) {
+      continue;
+    }
+
     EntryKernel* kernel = it->second;
     scoped_ptr<base::DictionaryValue> node(
         kernel->ToValue(GetCryptographer(trans)));
 
     // Add the position index if appropriate.  This must be done here (and not
     // in EntryKernel) because the EntryKernel does not have access to its
     // siblings.
     if (kernel->ShouldMaintainPosition() && !kernel->ref(IS_DEL)) {
       node->SetInteger("positionIndex", GetPositionIndex(trans, kernel));
     }
@@ skipping 344 matching lines @@
 
   for (OrderedChildSet::const_iterator i = children->begin();
        i != children->end(); ++i) {
     DCHECK_EQ(parent_id, (*i)->ref(PARENT_ID));
     result->push_back((*i)->ref(META_HANDLE));
   }
 }
 
 }  // namespace syncable
 }  // namespace syncer