Move favicon callbacks to favicon_base

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/task/cancelable_task_tracker.h"
+#include "components/favicon_base/favicon_callback.h"
 
 class BookmarkNode;
 class GURL;
 
 namespace base {
 struct UserMetricsAction;
 }
 
-namespace favicon_base {
-struct FaviconImageResult;
-}
-
 // This class abstracts operations that depends on the embedder's environment,
 // e.g. Chrome.
 class BookmarkClient {
  public:
-  // Callback for GetFaviconImageForURL().
-  typedef base::Callback<void(const favicon_base::FaviconImageResult&)>
-      FaviconImageCallback;
-
   // 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;
 
   // Returns true if the embedder favors touch icons over favicons.
   virtual bool PreferTouchIcon();
 
   // Requests the favicon of any of |icon_types| whose pixel sizes most
   // closely match |desired_size_in_dip| (if value is 0, the largest favicon
   // is returned) and desired scale factor for |page_url|. |callback| is run
   // when the bits have been fetched. |icon_types| can be any combination of
   // IconType value, but only one icon will be returned.
   virtual base::CancelableTaskTracker::TaskId GetFaviconImageForURL(
       const GURL& page_url,
       int icon_types,
       int desired_size_in_dip,
-      const FaviconImageCallback& callback,
+      const favicon_base::FaviconImageCallback& callback,
       base::CancelableTaskTracker* tracker);
 
   // Returns true if the embedder supports typed count for URL.
   virtual bool SupportsTypedCountForNodes();
 
   // 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);
 
   // Returns whether the embedder wants permanent node of type |node_type|
   // to always be visible or to only show them when not empty.
   virtual bool IsPermanentNodeVisible(int node_type) = 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;
 
  protected:
   virtual ~BookmarkClient() {}
 };
 
 #endif  // COMPONENTS_BOOKMARKS_BROWSER_BOOKMARK_CLIENT_H_