Implement the renderer side of the mojo based local storage implementation.

content/renderer/dom_storage/local_storage_namespace.cc

Index: content/renderer/dom_storage/local_storage_namespace.cc
diff --git a/content/renderer/dom_storage/local_storage_namespace.cc b/content/renderer/dom_storage/local_storage_namespace.cc
index 933b621ed0bbdc35b2fd54f9a254b17d4d01f264..7ccb8bf9c5a746fc30ecc31d907602704f60c84f 100644
--- a/content/renderer/dom_storage/local_storage_namespace.cc
+++ b/content/renderer/dom_storage/local_storage_namespace.cc
@@ -27,9 +27,8 @@ LocalStorageNamespace::~LocalStorageNamespace() {
 
 WebStorageArea* LocalStorageNamespace::createStorageArea(
     const WebString& origin) {
-  return new LocalStorageArea(
-      local_storage_cached_areas_->GetLocalStorageCachedArea(
-          url::Origin(blink::WebStringToGURL(origin))));
+  return new LocalStorageArea(local_storage_cached_areas_->GetCachedArea(
+      url::Origin(blink::WebStringToGURL(origin))));
 }
 
 bool LocalStorageNamespace::isSameNamespace(