Convert the no-inline-virtuals rule into a constructors rule.

tools/clang/plugins/tests/overridden_methods.h

 // Copyright (c) 2011 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 OVERRIDDEN_METHODS_H_
 #define OVERRIDDEN_METHODS_H_
 
 // Should warn about overriding of methods.
 class BaseClass {
  public:
@@ skipping 24 matching lines @@
 namespace webkit_glue {
 class WebKitObserverImpl : blink::WebKitObserver {
  public:
   virtual void WebKitModifiedSomething() {};
 };
 }  // namespace webkit_glue
 
 class DerivedClass : public InterimClass,
                      public webkit_glue::WebKitObserverImpl {
  public:
+  DerivedClass();
   // Should warn about destructors.
   virtual ~DerivedClass() {}
   // Should warn.
   virtual void SomeMethod();
   // Should not warn if marked as override.
   void SomeOtherMethod() override;
   // Should warn for inline implementations.
   virtual void SomeInlineMethod() {}
   // Should warn if overriding a method whose origin is blink.
   virtual void WebKitModifiedSomething();
   // Should warn with the insertion point after the const.
   virtual void SomeConstMethod() const {}
   // Should warn with the insertion point after the throw spec.
   virtual void SomeMethodWithExceptionSpec() throw() {}
   // Should warn with the insertion point after both the const and the throw
   // specifiers.
   virtual void SomeConstMethodWithExceptionSpec() const throw(int) {}
   // Should warn even if overridden method isn't pure.
   virtual void SomeNonPureBaseMethod() {}
   // Should warn and place correctly even when there is a comment.
   virtual void SomeMethodWithComment();  // This is a comment.
   // Should warn and place correctly even if there is a comment and body.
   virtual void SomeMethodWithCommentAndBody() {}  // This is a comment.
 };
 
 #endif  // OVERRIDDEN_METHODS_H_