Add base namespace to more values in sync and elsewhere.

sync/syncable/entry.cc

Index: sync/syncable/entry.cc
diff --git a/sync/syncable/entry.cc b/sync/syncable/entry.cc
index f88839217c47c5d44cd974367a826de495c278ba..77390981d754c04ce9a80f137dcd45a7279b54ab 100644
--- a/sync/syncable/entry.cc
+++ b/sync/syncable/entry.cc
@@ -42,8 +42,8 @@ Directory* Entry::dir() const {
   return basetrans_->directory();
 }
 
-DictionaryValue* Entry::ToValue(Cryptographer* cryptographer) const {
-  DictionaryValue* entry_info = new DictionaryValue();
+base::DictionaryValue* Entry::ToValue(Cryptographer* cryptographer) const {
+  base::DictionaryValue* entry_info = new base::DictionaryValue();
   entry_info->SetBoolean("good", good());
   if (good()) {
     entry_info->Set("kernel", kernel_->ToValue(cryptographer));