Makes pinned tab restore on startup if you haven't enabled session

chrome/browser/tabs/pinned_tab_codec_unittest.cc

+// Copyright (c) 2010 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 <string>
+#include <vector>
+
+#include "chrome/browser/tabs/pinned_tab_codec.h"
+#include "chrome/test/browser_with_test_window_test.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+typedef BrowserInit::LaunchWithProfile::Tab Tab;
+
+typedef BrowserWithTestWindowTest PinnedTabCodecTest;
+
+namespace {
+
+std::string TabToString(const Tab& tab) {
+  return tab.url.spec() + ":" + (tab.is_app ? "app" : "") + ":" +
+      (tab.is_pinned ? "pinned" : "") + ":" + tab.app_id;
+}
+
+std::string TabsToString(const std::vector<Tab>& values) {
+  std::string result;
+  for (size_t i = 0; i < values.size(); ++i) {
+    if (i != 0)
+      result += " ";
+    result += TabToString(values[i]);
+  }
+  return result;
+}
+
+}  // namespace
+
+// Make sure nothing is restored when the browser has no pinned tabs.
+TEST_F(PinnedTabCodecTest, NoPinnedTabs) {
+  GURL url1("http://www.google.com");
+  AddTab(browser(), url1);
+
+  PinnedTabCodec::WritePinnedTabs(profile());
+
+  std::string result = TabsToString(PinnedTabCodec::ReadPinnedTabs(profile()));
+  EXPECT_EQ("", result);
+}
+
+// Creates a browser with one pinned tab and one normal tab, does restore and
+// makes sure we get back another pinned tab.
+TEST_F(PinnedTabCodecTest, PinnedAndNonPinned) {
+  GURL url1("http://www.google.com");
+  GURL url2("http://www.google.com/2");
+  AddTab(browser(), url2);
+
+  // AddTab inserts at index 0, so order after this is url1, url2.
+  AddTab(browser(), url1);
+
+  browser()->tabstrip_model()->SetTabPinned(0, true);
+
+  PinnedTabCodec::WritePinnedTabs(profile());
+
+  std::string result = TabsToString(PinnedTabCodec::ReadPinnedTabs(profile()));
+  EXPECT_EQ("http://www.google.com/::pinned:", result);
+}
+