[AppList] Add a Suggestions Provider to applist.

chrome/browser/ui/app_list/search/suggestions/suggestions_result.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 CHROME_BROWSER_UI_APP_LIST_SEARCH_SUGGESTIONS_SUGGESTIONS_RESULT_H_
+#define CHROME_BROWSER_UI_APP_LIST_SEARCH_SUGGESTIONS_SUGGESTIONS_RESULT_H_
+
+#include "base/memory/scoped_ptr.h"
+#include "components/suggestions/proto/suggestions.pb.h"
+#include "ui/app_list/search_result.h"
+
+class AppListControllerDelegate;
+class GURL;
+class Profile;
+class SkBitmap;
+
+namespace suggestions {
+class SuggestionsService;
+}  // namespace suggestions
+
+namespace app_list {
+
+class SuggestionsResult : public SearchResult {
+ public:
+  SuggestionsResult(Profile* profile,
+                    AppListControllerDelegate* list_controller,
+                    suggestions::SuggestionsService* suggestions_service,
+                    const suggestions::ChromeSuggestion& suggestion, int index);
+  ~SuggestionsResult() override;
+
+  // SearchResult overrides:
+  void Open(int event_flags) override;
+  scoped_ptr<SearchResult> Duplicate() override;
+
+ private:
+  void UpdateIcon();
+  void OnSuggestionsThumbnailAvailable(const GURL& url, const SkBitmap* bitmap);
+
+  Profile* profile_;
+  AppListControllerDelegate* list_controller_;
+  suggestions::SuggestionsService* suggestions_service_;
+  suggestions::ChromeSuggestion suggestion_;
+  int index_;
+
+  // For callbacks may be run after destruction.
+  base::WeakPtrFactory<SuggestionsResult> weak_ptr_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(SuggestionsResult);
+};
+
+}  // namespace app_list
+
+#endif  // CHROME_BROWSER_UI_APP_LIST_SEARCH_SUGGESTIONS_SUGGESTIONS_RESULT_H_