Local salient image storage for enhanced bookmark experiment.

components/bookmarks_enhanced/image_store.cc

Index: components/bookmarks_enhanced/image_store.cc
diff --git a/components/bookmarks_enhanced/image_store.cc b/components/bookmarks_enhanced/image_store.cc
new file mode 100644
index 0000000000000000000000000000000000000000..f66dad49ae875a0cad54eeb31ba1c0a890115a54
--- /dev/null
+++ b/components/bookmarks_enhanced/image_store.cc
@@ -0,0 +1,36 @@
+// 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.
+
+#include "components/bookmarks_enhanced/image_store.h"
+
+#include "url/gurl.h"
+
+ImageStore::ImageStore() {
+}
+
+void ImageStore::ChangeImageURL(const GURL& from, const GURL& to) {
+  DCHECK(thread_checker_.CalledOnValidThread());
+
+  if (!HasKey(from))
+    return;
+
+  std::pair<gfx::Image, GURL> image_info = Get(from);
+  Erase(from);
+  Insert(to, image_info.second, image_info.first);
+}
+
+void ImageStore::ClearAll() {
+  DCHECK(thread_checker_.CalledOnValidThread());
+
+  std::set<GURL> all_keys;
+  GetAllPageUrls(&all_keys);
+  for (std::set<GURL>::const_iterator it = all_keys.begin();
+       it != all_keys.end();
+       ++it) {
+    Erase(*it);
+  }
+}
+
+ImageStore::~ImageStore() {
+}