Fix user agent override restore pipeline

chrome/browser/sessions/tab_restore_service_browsertest.cc

 // Copyright (c) 2012 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 "base/stringprintf.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/sessions/session_service_factory.h"
 #include "chrome/browser/sessions/session_service.h"
 #include "chrome/browser/sessions/session_types.h"
 #include "chrome/browser/sessions/tab_restore_service.h"
 #include "chrome/browser/sessions/tab_restore_service_factory.h"
 #include "chrome/browser/ui/browser_window.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/test/base/chrome_render_view_host_test_harness.h"
 #include "chrome/test/base/chrome_render_view_test.h"
 #include "chrome/test/base/in_process_browser_test.h"
 #include "chrome/test/base/testing_profile.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/navigation_controller.h"
 #include "content/public/browser/navigation_entry.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_types.h"
+#include "content/public/browser/web_contents.h"
 #include "content/public/test/render_view_test.h"
 #include "content/public/test/test_browser_thread.h"
 #include "content/public/test/test_utils.h"
 #include "content/public/test/web_contents_tester.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebKit.h"
 
 typedef TabRestoreService::Tab Tab;
 typedef TabRestoreService::Window Window;
 using content::WebContentsTester;
@@ skipping 16 matching lines @@
   base::Time time_;
 };
 
 class TabRestoreServiceTest : public ChromeRenderViewHostTestHarness {
  public:
   TabRestoreServiceTest()
       : ui_thread_(content::BrowserThread::UI, &message_loop_) {
     url1_ = GURL("http://1");
     url2_ = GURL("http://2");
     url3_ = GURL("http://3");
+    user_agent_override_ = "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/535.19"
+        " (KHTML, like Gecko) Chrome/18.0.1025.45 Safari/535.19";
   }
 
   ~TabRestoreServiceTest() {
   }
 
  protected:
   // testing::Test overrides
   virtual void SetUp() {
     WebKit::initialize(webkit_platform_support_.Get());
     ChromeRenderViewHostTestHarness::SetUp();
@@ skipping 62 matching lines @@
 
     AddWindowWithOneTabToSessionService(pinned);
 
     // Set this, otherwise previous session won't be loaded.
     profile()->set_last_session_exited_cleanly(false);
   }
 
   GURL url1_;
   GURL url2_;
   GURL url3_;
+  std::string user_agent_override_;
   scoped_ptr<TabRestoreService> service_;
   TabRestoreTimeFactory* time_factory_;
   content::RenderViewTest::RendererWebKitPlatformSupportImplNoSandbox
       webkit_platform_support_;
   content::TestBrowserThread ui_thread_;
 };
 
 TEST_F(TabRestoreServiceTest, Basic) {
   AddThreeNavigations();
 
   // Have the service record the tab.
   service_->CreateHistoricalTab(contents(), -1);
 
   // Make sure an entry was created.
   ASSERT_EQ(1U, service_->entries().size());
 
   // Make sure the entry matches.
   TabRestoreService::Entry* entry = service_->entries().front();
   ASSERT_EQ(TabRestoreService::TAB, entry->type);
   Tab* tab = static_cast<Tab*>(entry);
   EXPECT_FALSE(tab->pinned);
   EXPECT_TRUE(tab->extension_app_id.empty());
   ASSERT_EQ(3U, tab->navigations.size());
   EXPECT_TRUE(url1_ == tab->navigations[0].virtual_url());
   EXPECT_TRUE(url2_ == tab->navigations[1].virtual_url());
   EXPECT_TRUE(url3_ == tab->navigations[2].virtual_url());
+  EXPECT_EQ("", tab->user_agent_override);
   EXPECT_EQ(2, tab->current_navigation_index);
   EXPECT_EQ(time_factory_->TimeNow().ToInternalValue(),
             tab->timestamp.ToInternalValue());
 
   NavigateToIndex(1);
 
-  // And check again.
+  // And check again, but set the user agent override this time.
+  contents()->SetUserAgentOverride(user_agent_override_);
   service_->CreateHistoricalTab(contents(), -1);
 
   // There should be two entries now.
   ASSERT_EQ(2U, service_->entries().size());
 
-  // Make sure the entry matches
+  // Make sure the entry matches.
   entry = service_->entries().front();
   ASSERT_EQ(TabRestoreService::TAB, entry->type);
   tab = static_cast<Tab*>(entry);
   EXPECT_FALSE(tab->pinned);
   ASSERT_EQ(3U, tab->navigations.size());
   EXPECT_EQ(url1_, tab->navigations[0].virtual_url());
   EXPECT_EQ(url2_, tab->navigations[1].virtual_url());
   EXPECT_EQ(url3_, tab->navigations[2].virtual_url());
+  EXPECT_EQ(user_agent_override_, tab->user_agent_override);
   EXPECT_EQ(1, tab->current_navigation_index);
   EXPECT_EQ(time_factory_->TimeNow().ToInternalValue(),
             tab->timestamp.ToInternalValue());
 }
 
 // Make sure TabRestoreService doesn't create an entry for a tab with no
 // navigations.
 TEST_F(TabRestoreServiceTest, DontCreateEmptyTab) {
   service_->CreateHistoricalTab(contents(), -1);
   EXPECT_TRUE(service_->entries().empty());
@@ skipping 446 matching lines @@
   for (size_t i = 0; i < max_entries + 5; i++) {
     NavigateAndCommit(GURL(StringPrintf("http://%d", static_cast<int>(i))));
     service_->CreateHistoricalTab(contents(), -1);
   }
 
   EXPECT_EQ(max_entries, service_->entries_.size());
   // This should not crash.
   service_->LoadTabsFromLastSession();
   EXPECT_EQ(max_entries, service_->entries_.size());
 }