Replace includes with forward declarations.

chrome/browser/local_discovery/privet_notifications.h

Index: chrome/browser/local_discovery/privet_notifications.h
diff --git a/chrome/browser/local_discovery/privet_notifications.h b/chrome/browser/local_discovery/privet_notifications.h
index 2b1a46ba519db1fec12c288e0fbce43df9ef5c01..16f00fecb11c2770a48d2190192c4b768476e5e5 100644
--- a/chrome/browser/local_discovery/privet_notifications.h
+++ b/chrome/browser/local_discovery/privet_notifications.h
@@ -8,17 +8,12 @@
 #include <map>
 #include <string>
 
-#include "base/memory/linked_ptr.h"
-#include "base/memory/scoped_ptr.h"
 #include "chrome/browser/local_discovery/privet_device_lister.h"
-#include "chrome/browser/local_discovery/privet_device_lister_impl.h"
 #include "chrome/browser/local_discovery/privet_http.h"
-#include "chrome/browser/local_discovery/privet_http_asynchronous_factory.h"
-#include "chrome/browser/local_discovery/service_discovery_host_client.h"
 #include "chrome/browser/notifications/notification_delegate.h"
-#include "chrome/browser/notifications/notification_ui_manager.h"
 #include "components/browser_context_keyed_service/browser_context_keyed_service.h"
-#include "ui/message_center/notification_delegate.h"
+
+class NotificationUIManager;
 
 namespace content {
 class BrowserContext;
@@ -26,6 +21,12 @@ class BrowserContext;
 
 namespace local_discovery {
 
+class PrivetDeviceLister;
+class PrivetHTTPAsynchronousFactory;
+class PrivetHTTPResolution;
+class ServiceDiscoveryHostClient;
+struct DeviceDescription;
+
 // Contains logic related to notifications not tied actually displaying them.
 class PrivetNotificationsListener : public PrivetInfoOperation::Delegate {
  public:
@@ -72,8 +73,7 @@ class PrivetNotificationsListener : public PrivetInfoOperation::Delegate {
     std::string human_readable_name;
     std::string description;
     scoped_ptr<PrivetInfoOperation> info_operation;
-    scoped_ptr<PrivetHTTPAsynchronousFactory::Resolution>
-        privet_http_resolution;
+    scoped_ptr<PrivetHTTPResolution> privet_http_resolution;
     scoped_ptr<PrivetHTTPClient> privet_http;
   };