media: Add OutputProtectionProxy

chrome/browser/renderer_host/pepper/pepper_output_protection_message_filter.h

Index: chrome/browser/renderer_host/pepper/pepper_output_protection_message_filter.h
diff --git a/chrome/browser/renderer_host/pepper/pepper_output_protection_message_filter.h b/chrome/browser/renderer_host/pepper/pepper_output_protection_message_filter.h
index fe4865b8bb871664a1aeb5b12191237ac915fc55..cacd08247ab794e1a8e56be3fcf94218ab2bbe63 100644
--- a/chrome/browser/renderer_host/pepper/pepper_output_protection_message_filter.h
+++ b/chrome/browser/renderer_host/pepper/pepper_output_protection_message_filter.h
@@ -23,14 +23,10 @@ struct HostMessageContext;
 }  // namespace host
 }  // namespace ppapi
 
-#if defined(OS_CHROMEOS)
-namespace chromeos {
-class OutputProtectionDelegate;
-}
-#endif
-
 namespace chrome {
 
+class OutputProtectionProxy;
+
 class PepperOutputProtectionMessageFilter
     : public ppapi::host::ResourceMessageFilter {
  public:
@@ -60,10 +56,9 @@ class PepperOutputProtectionMessageFilter
       ppapi::host::ReplyMessageContext reply_context,
       bool success);
 
-#if defined(OS_CHROMEOS)
-  // Delegate. Should be deleted in UI thread.
-  chromeos::OutputProtectionDelegate* delegate_;
-#endif
+  // Owned by |this| and will be deleted on the UI thread.
+  // TODO(xhwang): Use unique_ptr to avoid the confusion on ownership.

[ddorwin, 2016/06/23 19:24:28]

Is there a reason this can't be done now?

[xhwang, 2016/06/23 20:53:49]

I wasn't super sure how to do this with unique_ptr. Now I know :) Done.

+  OutputProtectionProxy* proxy_;
 
   base::WeakPtrFactory<PepperOutputProtectionMessageFilter> weak_ptr_factory_;