Switch database/file_identifier to std::string, remove createFromDatabaseIdentifier calls

content/browser/indexed_db/indexed_db_leveldb_coding.h

Index: content/browser/indexed_db/indexed_db_leveldb_coding.h
diff --git a/content/browser/indexed_db/indexed_db_leveldb_coding.h b/content/browser/indexed_db/indexed_db_leveldb_coding.h
index e301562ca0f3a2a2942d642208a202643f67e187..caa932e97fe24be8fda3255b22f1edb407f0cae4 100644
--- a/content/browser/indexed_db/indexed_db_leveldb_coding.h
+++ b/content/browser/indexed_db/indexed_db_leveldb_coding.h
@@ -194,10 +194,13 @@ class DatabaseNameKey {
   static const char* Decode(const char* start,
                             const char* limit,
                             DatabaseNameKey* result);
-  CONTENT_EXPORT static std::vector<char> Encode(const string16& origin,
-                                                 const string16& database_name);
-  static std::vector<char> EncodeMinKeyForOrigin(const string16& origin);
-  static std::vector<char> EncodeStopKeyForOrigin(const string16& origin);
+  CONTENT_EXPORT static std::vector<char> Encode(
+      const std::string& origin_identifier,
+      const string16& database_name);
+  static std::vector<char> EncodeMinKeyForOrigin(
+      const std::string& origin_identifier);
+  static std::vector<char> EncodeStopKeyForOrigin(
+      const std::string& origin_identifier);
   string16 origin() const { return origin_; }
   string16 database_name() const { return database_name_; }
   int Compare(const DatabaseNameKey& other);
@@ -337,9 +340,8 @@ class ObjectStoreNamesKey {
   string16 object_store_name() const { return object_store_name_; }
 
  private:
-  string16
-      object_store_name_;  // TODO(jsbell): Store the encoded string, or just
-                           // pointers to it.
+  // TODO(jsbell): Store the encoded string, or just pointers to it.
+  string16 object_store_name_;
 };
 
 class IndexNamesKey {