RefCounted types should not have public destructors, delegate cleanup

content/renderer/pepper/pepper_parent_context_provider.h

Index: content/renderer/pepper/pepper_parent_context_provider.h
diff --git a/content/renderer/pepper/pepper_parent_context_provider.h b/content/renderer/pepper/pepper_parent_context_provider.h
index 48243d8fb3162056f3780f82ae791f8c95480ce5..f9c64c2b6bd9c8e6479fb918144acef2152b397c 100644
--- a/content/renderer/pepper/pepper_parent_context_provider.h
+++ b/content/renderer/pepper/pepper_parent_context_provider.h
@@ -16,12 +16,12 @@ namespace content {
 // parent context for display to the screen.
 class PepperParentContextProvider {
  public:
-  virtual ~PepperParentContextProvider();
   virtual WebGraphicsContext3DCommandBufferImpl*
       GetParentContextForPlatformContext3D() = 0;
 
  protected:
   PepperParentContextProvider();
+  virtual ~PepperParentContextProvider();
 
  private:
   DISALLOW_COPY_AND_ASSIGN(PepperParentContextProvider);