[Sync] Move //components/sync to the syncer namespace, take 2.

chrome/browser/ui/webui/options/clear_browser_data_handler.h

Index: chrome/browser/ui/webui/options/clear_browser_data_handler.h
diff --git a/chrome/browser/ui/webui/options/clear_browser_data_handler.h b/chrome/browser/ui/webui/options/clear_browser_data_handler.h
index 5f805881a2768ac86b094ac42af777f1567f3cf7..e5d1aa56ec6d928685f3fb89a840ce9a1bf89ad1 100644
--- a/chrome/browser/ui/webui/options/clear_browser_data_handler.h
+++ b/chrome/browser/ui/webui/options/clear_browser_data_handler.h
@@ -5,6 +5,8 @@
 #ifndef CHROME_BROWSER_UI_WEBUI_OPTIONS_CLEAR_BROWSER_DATA_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_OPTIONS_CLEAR_BROWSER_DATA_HANDLER_H_
 
+#include <memory>
+
 #include "base/macros.h"
 #include "base/memory/scoped_vector.h"
 #include "chrome/browser/browsing_data/browsing_data_remover.h"
@@ -18,7 +20,7 @@ namespace options {
 // Clear browser data handler page UI handler.
 class ClearBrowserDataHandler : public OptionsPageUIHandler,
                                 public BrowsingDataRemover::Observer,
-                                public sync_driver::SyncServiceObserver {
+                                public syncer::SyncServiceObserver {
  public:
   ClearBrowserDataHandler();
   ~ClearBrowserDataHandler() override;