RefCounted types should not have public destructors, content/browser part 1

content/browser/device_orientation/device_orientation_browsertest.cc

Index: content/browser/device_orientation/device_orientation_browsertest.cc
diff --git a/content/browser/device_orientation/device_orientation_browsertest.cc b/content/browser/device_orientation/device_orientation_browsertest.cc
index 520542d2fd8cda63b6620260263cb5c2adbfe6c8..dec35331723c6666eeff7816143d13a792e8aaae 100644
--- a/content/browser/device_orientation/device_orientation_browsertest.cc
+++ b/content/browser/device_orientation/device_orientation_browsertest.cc
@@ -29,9 +29,13 @@ class MockProvider : public Provider {
   virtual void RemoveObserver(Observer* observer) {
     removed_observer_ = true;
   }
+
   Orientation orientation_;
   bool added_observer_;
   bool removed_observer_;
+
+ private:
+  virtual ~MockProvider() {}
 };
 
 class DeviceOrientationBrowserTest : public InProcessBrowserTest {