Make Clone, Contains, Equal and IPC function non-virtual and implement in manifest_permission.cc

extensions/common/permissions/manifest_permission.h

 // Copyright 2013 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 EXTENSIONS_COMMON_PERMISSIONS_MANIFEST_PERMISSION_H_
 #define EXTENSIONS_COMMON_PERMISSIONS_MANIFEST_PERMISSION_H_
 
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 32 matching lines @@
   // Returns the localized permission messages of this permission.
   virtual PermissionMessages GetMessages() const = 0;
 
   // Parses the ManifestPermission from |value|. Returns false if error happens.
   virtual bool FromValue(const base::Value* value) = 0;
 
   // Stores this into a new created Value.
   virtual scoped_ptr<base::Value> ToValue() const = 0;
 
   // Clones this.
-  virtual ManifestPermission* Clone() const = 0;
+  ManifestPermission* Clone() const;
 
   // Returns a new manifest permission which equals this - |rhs|.
   virtual ManifestPermission* Diff(const ManifestPermission* rhs) const = 0;
 
   // Returns a new manifest permission which equals the union of this and |rhs|.
   virtual ManifestPermission* Union(const ManifestPermission* rhs) const = 0;
 
   // Returns a new manifest permission which equals the intersect of this and
   // |rhs|.
   virtual ManifestPermission* Intersect(const ManifestPermission* rhs)
       const = 0;
 
   // Returns true if |rhs| is a subset of this.
-  virtual bool Contains(const ManifestPermission* rhs) const = 0;
+  bool Contains(const ManifestPermission* rhs) const;
 
   // Returns true if |rhs| is equal to this.
-  virtual bool Equal(const ManifestPermission* rhs) const = 0;
+  bool Equal(const ManifestPermission* rhs) const;
 
   // IPC functions
   // Writes this into the given IPC message |m|.
-  virtual void Write(IPC::Message* m) const = 0;
+  void Write(IPC::Message* m) const;
 
   // Reads from the given IPC message |m|.
-  virtual bool Read(const IPC::Message* m, PickleIterator* iter) = 0;
+  bool Read(const IPC::Message* m, PickleIterator* iter);
 
   // Logs this permission.
-  virtual void Log(std::string* log) const = 0;
+  void Log(std::string* log) const;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ManifestPermission);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_COMMON_PERMISSIONS_MANIFEST_PERMISSION_H_