[Tests not passing yet] Remove prerender sessionStorage namespace merging.

content/renderer/dom_storage/dom_storage_cached_area_unittest.cc

Index: content/renderer/dom_storage/dom_storage_cached_area_unittest.cc
diff --git a/content/renderer/dom_storage/dom_storage_cached_area_unittest.cc b/content/renderer/dom_storage/dom_storage_cached_area_unittest.cc
index f17f5fed01eeeeca7d27c2265f688d2d47c21c7e..631a281431f74c9985e291bdc61177611c42a124 100644
--- a/content/renderer/dom_storage/dom_storage_cached_area_unittest.cc
+++ b/content/renderer/dom_storage/dom_storage_cached_area_unittest.cc
@@ -25,13 +25,11 @@ class MockProxy : public DOMStorageProxy {
 
   void LoadArea(int connection_id,
                 DOMStorageValuesMap* values,
-                bool* send_log_get_messages,
                 const CompletionCallback& callback) override {
     pending_callbacks_.push_back(callback);
     observed_load_area_ = true;
     observed_connection_id_ = connection_id;
     *values = load_area_return_values_;
-    *send_log_get_messages = false;
   }
 
   void SetItem(int connection_id,
@@ -47,10 +45,6 @@ class MockProxy : public DOMStorageProxy {
     observed_page_url_ = page_url;
   }
 
-  void LogGetItem(int connection_id,
-                  const base::string16& key,
-                  const base::NullableString16& value) override {}
-
   void RemoveItem(int connection_id,
                   const base::string16& key,
                   const GURL& page_url,