Pass const ref instead of pointer for FromDocumentEntry()

chrome/browser/chromeos/gdata/gdata_files.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_CHROMEOS_GDATA_GDATA_FILES_H_
 #define CHROME_BROWSER_CHROMEOS_GDATA_GDATA_FILES_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 23 matching lines @@
 // Base class for representing files and directories in gdata virtual file
 // system.
 class GDataEntry {
  public:
   virtual ~GDataEntry();
 
   virtual GDataFile* AsGDataFile();
   virtual GDataDirectory* AsGDataDirectory();
 
   // Initializes from DocumentEntry.
-  virtual void InitFromDocumentEntry(DocumentEntry* doc);
+  virtual void InitFromDocumentEntry(const DocumentEntry& doc);
 
   // const versions of AsGDataFile and AsGDataDirectory.
   const GDataFile* AsGDataFileConst() const;
   const GDataDirectory* AsGDataDirectoryConst() const;
 
   // Serialize/Parse to/from string via proto classes.
   void SerializeToString(std::string* serialized_proto) const;
 
   // Converts the proto representation to the platform file.
   static void ConvertProtoToPlatformFileInfo(
@@ skipping 139 matching lines @@
   // Overrides GDataEntry::SetBaseNameFromTitle() to set |base_name_| based
   // on the value of |title_| as well as |is_hosted_document_| and
   // |document_extension_| for hosted documents.
   virtual void SetBaseNameFromTitle() OVERRIDE;
 
  private:
   friend class GDataDirectoryService;  // For access to ctor.
 
   explicit GDataFile(GDataDirectoryService* directory_service);
   // Initializes from DocumentEntry.
-  virtual void InitFromDocumentEntry(DocumentEntry* doc) OVERRIDE;
+  virtual void InitFromDocumentEntry(const DocumentEntry& doc) OVERRIDE;
 
   virtual GDataFile* AsGDataFile() OVERRIDE;
 
   DocumentEntry::EntryKind kind_;  // Not saved in proto.
   GURL thumbnail_url_;
   GURL alternate_url_;
   std::string content_mime_type_;
   std::string file_md5_;
   std::string document_extension_;
   bool is_hosted_document_;
@@ skipping 21 matching lines @@
   }
 
  private:
   // TODO(satorux): Remove the friend statements. crbug.com/139649
   friend class GDataDirectoryService;
   friend class GDataWapiFeedProcessor;
 
   explicit GDataDirectory(GDataDirectoryService* directory_service);
 
   // Initializes from DocumentEntry.
-  virtual void InitFromDocumentEntry(DocumentEntry* doc) OVERRIDE;
+  virtual void InitFromDocumentEntry(const DocumentEntry& doc) OVERRIDE;
 
   virtual GDataDirectory* AsGDataDirectory() OVERRIDE;
 
   // Adds child file to the directory and takes over the ownership of |file|
   // object. The method will also do name de-duplication to ensure that the
   // exposed presentation path does not have naming conflicts. Two files with
   // the same name "Foo" will be renames to "Foo (1)" and "Foo (2)".
   // TODO(satorux): Remove this. crbug.com/139649
   void AddEntry(GDataEntry* entry);
 
@@ skipping 24 matching lines @@
   // Collection of children GDataEntry items.
   GDataFileCollection child_files_;
   GDataDirectoryCollection child_directories_;
 
   DISALLOW_COPY_AND_ASSIGN(GDataDirectory);
 };
 
 }  // namespace gdata
 
 #endif  // CHROME_BROWSER_CHROMEOS_GDATA_GDATA_FILES_H_