Prerender tab for net-internals

BUG=None
TEST=None


Review URL: http://codereview.chromium.org/7143001

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@89235 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 41 insertions, 0 deletions

diff --git a/chrome/browser/prerender/prerender_history.cc b/chrome/browser/prerender/prerender_history.cc
new file mode 100644
index 0000000..319af90
--- /dev/null
+++ b/chrome/browser/prerender/prerender_history.cc
@@ -0,0 +1,41 @@
+// Copyright (c) 2011 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 "chrome/browser/prerender/prerender_history.h"
+
+#include "base/logging.h"
+#include "base/values.h"
+
+namespace prerender {
+
+PrerenderHistory::PrerenderHistory(size_t max_items)
+    : max_items_(max_items) {
+  DCHECK(max_items > 0);
+}
+
+PrerenderHistory::~PrerenderHistory() {
+}
+
+void PrerenderHistory::AddEntry(const Entry& entry) {
+  DCHECK(CalledOnValidThread());
+  while (entries_.size() >= max_items_)
+    entries_.pop_front();
+  entries_.push_back(entry);
+}
+
+Value* PrerenderHistory::GetEntriesAsValue() const {
+  ListValue* return_list = new ListValue();
+  for (std::list<Entry>::const_reverse_iterator it = entries_.rbegin();
+       it != entries_.rend();
+       ++it) {
+    const Entry& entry = *it;
+    DictionaryValue* v = new DictionaryValue();
+    v->SetString("url", entry.url.spec());
+    v->SetString("final_status", NameFromFinalStatus(entry.final_status));
+    return_list->Append(v);
+  }
+  return return_list;
+}
+
+}  // namespace prerender