Local salient image storage for enhanced bookmark experiment.

components/bookmarks_enhanced/memory_image_store.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_ENHANCED_MEMORY_IMAGE_STORE_H_
+#define COMPONENTS_BOOKMARKS_ENHANCED_MEMORY_IMAGE_STORE_H_
+
+#include "components/bookmarks_enhanced/image_store.h"
+
+// The MemoryImageStore is an implementation of ImageStore that keeps all its
+// data in memory. When deallocated all the associations are lost.
+// Used in tests.
+class MemoryImageStore : public ImageStore {
+ public:
+  MemoryImageStore();
+  virtual bool HasKey(const GURL& page_url) OVERRIDE;
+  virtual void Insert(const GURL& page_url,
+                      const GURL& image_url,
+                      const gfx::Image& image) OVERRIDE;
+  virtual void Erase(const GURL& page_url) OVERRIDE;
+  virtual gfx::Image Get(const GURL& page_url, GURL* image_url) OVERRIDE;
+  virtual gfx::Size GetSize(const GURL& page_url) OVERRIDE;
+  virtual void GetAllPageUrls(std::vector<GURL>* urls) OVERRIDE;
+
+ protected:
+  virtual ~MemoryImageStore();
+
+ private:
+  typedef std::map<const GURL, std::pair<gfx::Image, const GURL> > ImageMap;
+  ImageMap store_;
+
+  DISALLOW_COPY_AND_ASSIGN(MemoryImageStore);
+};
+
+#endif  // COMPONENTS_BOOKMARKS_ENHANCED_MEMORY_IMAGE_STORE_H_