Remove strict-virtual-specifiers option, since it's enabled everywhere.

tools/clang/plugins/tests/base_refcounted.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 BASE_REFCOUNTED_H_
 #define BASE_REFCOUNTED_H_
 
 namespace base {
 
 template <typename T>
@@ skipping 89 matching lines @@
   ~PrivateRefCountedDtorInHeader() {}
   friend class base::RefCounted<PrivateRefCountedDtorInHeader>;
 };
 
 // Unsafe; A grandchild class ends up exposing their parent and grandparent's
 // destructors.
 class DerivedProtectedToPublicInHeader
     : public ProtectedRefCountedVirtualDtorInHeader {
  public:
   DerivedProtectedToPublicInHeader() {}
-  virtual ~DerivedProtectedToPublicInHeader() {}
+  ~DerivedProtectedToPublicInHeader() override {}
 };
 
 // Unsafe; A grandchild ends up implicitly exposing their parent and
 // grantparent's destructors.
 class ImplicitDerivedProtectedToPublicInHeader
     : public ProtectedRefCountedVirtualDtorInHeader {
  public:
   ImplicitDerivedProtectedToPublicInHeader() {}
 };
 
@@ skipping 18 matching lines @@
   virtual ~APublicInterface() {}
   virtual void DoFoo() = 0;
 };
 
 // Unsafe. "ImplementsAPublicInterface* foo" can be deleted via
 // "delete (APublicInterface*)foo;".
 class ImplementsAPublicInterface
     : public APublicInterface,
       public base::RefCounted<ImplementsAPublicInterface> {
  public:
-  virtual void DoFoo() override {}
+  void DoFoo() override {}
 
  protected:
-  virtual ~ImplementsAPublicInterface() {}
+  ~ImplementsAPublicInterface() override {}
 
  private:
   friend class base::RefCounted<ImplementsAPublicInterface>;
 };
 
 class AnImplicitInterface {
  public:
   virtual void DoBar() {}
 };
 
 // Unsafe.
 class ImplementsAnImplicitInterface
     : public AnImplicitInterface,
       public base::RefCounted<ImplementsAnImplicitInterface> {
  public:
-  virtual void DoBar() override {}
+  void DoBar() override {}
 
  private:
   friend class base::RefCounted<ImplementsAnImplicitInterface>;
   ~ImplementsAnImplicitInterface() {}
 };
 
 // Safe. Private inheritance does not expose the base destructor.
 class PrivatelyImplementsAPublicInterface
     : private APublicInterface,
       public base::RefCounted<PrivatelyImplementsAPublicInterface> {
  public:
-  virtual void DoFoo() override {}
+  void DoFoo() override {}
 
  private:
   friend class base::RefCounted<PrivatelyImplementsAPublicInterface>;
-  virtual ~PrivatelyImplementsAPublicInterface() {}
+  ~PrivatelyImplementsAPublicInterface() override {}
 };
 
 // Unsafe.
 class BaseInterface {
  public:
   virtual ~BaseInterface() {}
   virtual void DoFoo() {}
 };
 class DerivedInterface : public BaseInterface {
  protected:
-  virtual ~DerivedInterface() {}
+  ~DerivedInterface() override {}
 };
 class SomeOtherInterface {
  public:
   virtual ~SomeOtherInterface() {}
   virtual void DoBar() {}
 };
 class RefcountedType : public base::RefCounted<RefcountedType> {
  protected:
   ~RefcountedType() {}
  private:
   friend class base::RefCounted<RefcountedType>;
 };
 class UnsafeInheritanceChain
     : public DerivedInterface,
       public SomeOtherInterface,
       public RefcountedType {
  public:
   // DerivedInterface
-  virtual void DoFoo() override {}
+  void DoFoo() override {}
 
   // SomeOtherInterface
-  virtual void DoBar() override {}
+  void DoBar() override {}
 
  protected:
-  virtual ~UnsafeInheritanceChain() {}
+  ~UnsafeInheritanceChain() override {}
 };
 
 #endif  // BASE_REFCOUNTED_H_