Remove abonded privacy blacklist implementation.

chrome/browser/renderer_host/resource_message_filter.h

Index: chrome/browser/renderer_host/resource_message_filter.h
diff --git a/chrome/browser/renderer_host/resource_message_filter.h b/chrome/browser/renderer_host/resource_message_filter.h
index 384f4122120f203c592c473c89662af9e7420d27..7b734505b630da15ac9f48387d203083cdcc7e51 100644
--- a/chrome/browser/renderer_host/resource_message_filter.h
+++ b/chrome/browser/renderer_host/resource_message_filter.h
@@ -25,7 +25,6 @@
 #include "chrome/browser/net/resolve_proxy_msg_helper.h"
 #include "chrome/browser/renderer_host/resource_dispatcher_host.h"
 #include "chrome/common/nacl_types.h"
-#include "chrome/common/notification_registrar.h"
 #include "chrome/common/window_container_type.h"
 #include "gfx/native_widget_types.h"
 #include "gfx/rect.h"
@@ -77,7 +76,6 @@ struct ViewHostMsg_DidPrintPage_Params;
 
 class ResourceMessageFilter : public IPC::ChannelProxy::MessageFilter,
                               public ResourceDispatcherHost::Receiver,
-                              public NotificationObserver,
                               public ResolveProxyMsgHelper::Delegate {
  public:
   // Create the filter.
@@ -112,11 +110,6 @@ class ResourceMessageFilter : public IPC::ChannelProxy::MessageFilter,
     return next_route_id_callback_.get();
   }
 
-  // NotificationObserver implementation.
-  virtual void Observe(NotificationType type,
-                       const NotificationSource& source,
-                       const NotificationDetails& details);
-
   // Returns either the extension URLRequestContext or regular URLRequestContext
   // depending on whether |url| is an extension URL.
   // Only call on the IO thread.
@@ -371,8 +364,6 @@ class ResourceMessageFilter : public IPC::ChannelProxy::MessageFilter,
   // thread.
   static Clipboard* GetClipboard();
 
-  NotificationRegistrar registrar_;
-
   // The channel associated with the renderer connection. This pointer is not
   // owned by this class.
   IPC::Channel* channel_;