Changed page_cycler to use sessionStorage instead of cookies for timing values.

Review URL: http://codereview.chromium.org/3145006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@56932 0039d316-1c4b-4281-b951-d872f2087c98

chrome/test/page_cycler/page_cycler_test.cc

-// Copyright (c) 2006-2009 The Chromium Authors. All rights reserved.
+// 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.
 
@@ -162,6 +162,7 @@ class PageCyclerTest : public UITest {
   PageCyclerTest()
       : print_times_only_(false) {
     show_window_ = true;
+    dom_automation_enabled_ = true;
 
     const CommandLine& parsed_command_line = *CommandLine::ForCurrentProcess();
     num_test_iterations_ = TEST_ITERATIONS;
@@ -245,6 +246,12 @@ class PageCyclerTest : public UITest {
     pages->assign(UTF8ToWide(cookie));
     ASSERT_FALSE(pages->empty());
     ASSERT_TRUE(tab->GetCookieByName(test_url, "__pc_timings", &cookie));
+    std::wstring wcookie;
+    ASSERT_TRUE(tab->ExecuteAndExtractString(L"",
+        L"window.domAutomationController.send("
+        L"JSON.stringify(__get_timings()));",
+        &wcookie));
+    cookie = base::SysWideToNativeMB(wcookie);
     timings->assign(cookie);
     ASSERT_FALSE(timings->empty());
   }

tools/page_cycler/common/head.js

-// Copyright (c) 2006-2009 The Chromium Authors. All rights reserved.
+// Copyright (c) 2010 The Chromium Authors. All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
@@ -50,10 +50,20 @@ function __pages() {  // fetch lazily
   return this.data;
 }
 function __get_timings() {
+  if (sessionStorage == null)
     return __get_cookie("__pc_timings");
+  else {
+    if (sessionStorage.getItem("__pc_timings") == null)
+      return "";
+    else
+      return sessionStorage["__pc_timings"];
+  }
 }
 function __set_timings(timings) {
+  if (sessionStorage == null)
     document.cookie = "__pc_timings=" + timings + "; path=/";
+  else
+    sessionStorage["__pc_timings"]=timings;
 }
 function __ontimeout() {
   var doc;
@@ -82,7 +92,8 @@ function __ontimeout() {
   }
   __set_timings(timings);
 
-  var url = doc + "?n=" + __iterations + "&i=" + __cycle + "&p=" + __page + "&ts=" + ts + "&td=" + __td + "&tf=" + __tf;
+  var url = doc + "?n=" + __iterations + "&i=" + __cycle + "&p=" + __page +
+    "&ts=" + ts + "&td=" + __td + "&tf=" + __tf;
   document.location.href = url;
 }
 function __onload() {