Convert most of extensions and some other random stuff to using the base namespace for Values.

chrome/browser/extensions/api/storage/settings_sync_processor.cc

Index: chrome/browser/extensions/api/storage/settings_sync_processor.cc
diff --git a/chrome/browser/extensions/api/storage/settings_sync_processor.cc b/chrome/browser/extensions/api/storage/settings_sync_processor.cc
index 06b4ee8039ff85bfe52f472deba579ee665759e0..b016e9ea63ae5f4c6e7d284f8163311dc7b0703c 100644
--- a/chrome/browser/extensions/api/storage/settings_sync_processor.cc
+++ b/chrome/browser/extensions/api/storage/settings_sync_processor.cc
@@ -31,11 +31,12 @@ SettingsSyncProcessor::~SettingsSyncProcessor() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
 }
 
-void SettingsSyncProcessor::Init(const DictionaryValue& initial_state) {
+void SettingsSyncProcessor::Init(const base::DictionaryValue& initial_state) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
   CHECK(!initialized_) << "Init called multiple times";
 
-  for (DictionaryValue::Iterator i(initial_state); !i.IsAtEnd(); i.Advance())
+  for (base::DictionaryValue::Iterator i(initial_state); !i.IsAtEnd();
+       i.Advance())
     synced_keys_.insert(i.key());
 
   initialized_ = true;