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

extensions/common/permissions/manifest_permission.h

Index: extensions/common/permissions/manifest_permission.h
diff --git a/extensions/common/permissions/manifest_permission.h b/extensions/common/permissions/manifest_permission.h
index af9e0357037f56e6e9a82f6e0142587edd1960ab..fdfb3f4b383bc72e8b0673a7f05eeaabffd98c6b 100644
--- a/extensions/common/permissions/manifest_permission.h
+++ b/extensions/common/permissions/manifest_permission.h
@@ -50,7 +50,7 @@ class ManifestPermission {
   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;
@@ -64,20 +64,20 @@ class ManifestPermission {
       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);