Replace string16 with base::string16 in src/webkit

webkit/tools/test_shell/simple_dom_storage_system.cc

Index: webkit/tools/test_shell/simple_dom_storage_system.cc
diff --git a/webkit/tools/test_shell/simple_dom_storage_system.cc b/webkit/tools/test_shell/simple_dom_storage_system.cc
index 7f05b2a6761e225a00bf4f59ae7b506406947329..05eb07ec51504e682532a67c2f0936297bd7be5e 100644
--- a/webkit/tools/test_shell/simple_dom_storage_system.cc
+++ b/webkit/tools/test_shell/simple_dom_storage_system.cc
@@ -176,7 +176,7 @@ void SimpleDomStorageSystem::AreaImpl::removeItem(
     return;
 
   base::AutoReset<AreaImpl*> auto_reset(&parent_->area_being_processed_, this);
-  string16 notused;
+  base::string16 notused;
   Host()->RemoveAreaItem(connection_id_, key, pageUrl, &notused);
 }
 
@@ -222,8 +222,8 @@ WebStorageNamespace* SimpleDomStorageSystem::CreateSessionStorageNamespace() {
 
 void SimpleDomStorageSystem::OnDomStorageItemSet(
     const dom_storage::DomStorageArea* area,
-    const string16& key,
-    const string16& new_value,
+    const base::string16& key,
+    const base::string16& new_value,
     const NullableString16& old_value,
     const GURL& page_url) {
   DispatchDomStorageEvent(area, page_url,
@@ -234,8 +234,8 @@ void SimpleDomStorageSystem::OnDomStorageItemSet(
 
 void SimpleDomStorageSystem::OnDomStorageItemRemoved(
     const dom_storage::DomStorageArea* area,
-    const string16& key,
-    const string16& old_value,
+    const base::string16& key,
+    const base::string16& old_value,
     const GURL& page_url) {
   DispatchDomStorageEvent(area, page_url,
                           NullableString16(key, false),