diff -r 000000000000 -r 6474c204b198 media/webrtc/trunk/tools/clang/plugins/tests/overridden_methods.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/media/webrtc/trunk/tools/clang/plugins/tests/overridden_methods.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,54 @@
+// 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:
+  virtual ~BaseClass() {}
+  virtual void SomeMethod() = 0;
+  virtual void SomeOtherMethod() = 0;
+  virtual void SomeInlineMethod() = 0;
+  virtual void SomeNonPureBaseMethod() {}
+};
+
+class InterimClass : public BaseClass {
+  // Should not warn about pure virtual methods.
+  virtual void SomeMethod() = 0;
+};
+
+namespace WebKit {
+class WebKitObserver {
+ public:
+  virtual void WebKitModifiedSomething() {};
+};
+}  // namespace WebKit
+
+namespace webkit_glue {
+class WebKitObserverImpl : WebKit::WebKitObserver {
+ public:
+  virtual void WebKitModifiedSomething() {};
+};
+}  // namespace webkit_glue
+
+class DerivedClass : public InterimClass,
+                     public webkit_glue::WebKitObserverImpl {
+ public:
+  // Should not warn about destructors.
+  virtual ~DerivedClass() {}
+  // Should warn.
+  virtual void SomeMethod();
+  // Should not warn if marked as override.
+  virtual void SomeOtherMethod() override;
+  // Should warn for inline implementations.
+  virtual void SomeInlineMethod() {}
+  // Should not warn if overriding a method whose origin is WebKit.
+  virtual void WebKitModifiedSomething();
+  // Should warn if overridden method isn't pure.
+  virtual void SomeNonPureBaseMethod() {}
+};
+
+#endif  // OVERRIDDEN_METHODS_H_