Change ownership of BookmarkClient

components/bookmarks/browser/bookmark_client.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef COMPONENTS_BOOKMARKS_BROWSER_BOOKMARK_CLIENT_H_
 #define COMPONENTS_BOOKMARKS_BROWSER_BOOKMARK_CLIENT_H_
 
 #include <set>
 #include <utility>
 #include <vector>
 
 #include "base/callback_forward.h"
+#include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/task/cancelable_task_tracker.h"
 #include "components/bookmarks/browser/bookmark_storage.h"
 #include "components/favicon_base/favicon_callback.h"
 #include "components/favicon_base/favicon_types.h"
-#include "components/keyed_service/core/keyed_service.h"
 
 class GURL;
 
 namespace base {
 struct UserMetricsAction;
 }
 
 namespace bookmarks {
 
+class BookmarkModel;
 class BookmarkNode;
 class BookmarkPermanentNode;
 
 // This class abstracts operations that depends on the embedder's environment,
 // e.g. Chrome.
-class BookmarkClient : public KeyedService {
+class BookmarkClient {
  public:
   // Types representing a set of BookmarkNode and a mapping from BookmarkNode
   // to the number of time the corresponding URL has been typed by the user in
   // the Omnibox.
   typedef std::set<const BookmarkNode*> NodeSet;
   typedef std::pair<const BookmarkNode*, int> NodeTypedCountPair;
   typedef std::vector<NodeTypedCountPair> NodeTypedCountPairs;
   typedef base::Callback<void(BookmarkPermanentNode*, BookmarkPermanentNode*)>
       ExtraNodeLoadedCallback;
 
+  BookmarkClient();
+  virtual ~BookmarkClient();
+
+  // Called upon initialization of BookmarkModel.
+  virtual void Init(BookmarkModel* bookmark_model) = 0;
+
   // Requests a favicon from the history cache for the web page at |page_url|.
   // |callback| is run when the favicon has been fetched. If |type| is:
   // - favicon_base::FAVICON, the returned gfx::Image is a multi-resolution
   //   image of gfx::kFaviconSize DIP width and height. The data from the
   //   history cache is resized if need be.
   // - not favicon_base::FAVICON, the returned gfx::Image is a single-resolution
   //   image with the largest bitmap in the history cache for |page_url| and
   //   |type|.
   virtual base::CancelableTaskTracker::TaskId GetFaviconImageForPageURL(
       const GURL& page_url,
       favicon_base::IconType type,
       const favicon_base::FaviconImageCallback& callback,
-      base::CancelableTaskTracker* tracker);
+      base::CancelableTaskTracker* tracker) = 0;
 
-    // Returns true if the embedder supports typed count for URL.
-  virtual bool SupportsTypedCountForNodes();
+  // Returns true if the embedder supports typed count for URL.
+  virtual bool SupportsTypedCountForNodes() = 0;
 
   // Retrieves the number of time each BookmarkNode URL has been typed in
   // the Omnibox by the user.
   virtual void GetTypedCountForNodes(
       const NodeSet& nodes,
-      NodeTypedCountPairs* node_typed_count_pairs);
+      NodeTypedCountPairs* node_typed_count_pairs) = 0;
 
   // Wrapper around RecordAction defined in base/metrics/user_metrics.h
   // that ensure that the action is posted from the correct thread.
   virtual void RecordAction(const base::UserMetricsAction& action) = 0;
 
   // Returns a task that will be used to load any additional root nodes. This
   // task will be invoked in the Profile's IO task runner.
   virtual LoadExtraCallback GetLoadExtraNodesCallback(
       scoped_ptr<BookmarkPermanentNode> managed_node,
       scoped_ptr<BookmarkPermanentNode> supervised_node,
       const ExtraNodeLoadedCallback& callback) = 0;
 
   // Called when BookmarkModel finished loading.
   virtual void DoneLoading(BookmarkPermanentNode* managed_node,
                            BookmarkPermanentNode* supervised_node) = 0;
 
- protected:
-  ~BookmarkClient() override {}
+ private:
+  DISALLOW_COPY_AND_ASSIGN(BookmarkClient);
 };
 
 }  // namespace bookmarks
 
 #endif  // COMPONENTS_BOOKMARKS_BROWSER_BOOKMARK_CLIENT_H_