Move observers out of automation_provider.cc to declutter the file.

chrome/browser/automation/automation_provider.cc

Index: chrome/browser/automation/automation_provider.cc
diff --git a/chrome/browser/automation/automation_provider.cc b/chrome/browser/automation/automation_provider.cc
index a3c2c09148084654fe1c08f1faf1937e88c9d3ea..93aad4d80c6dbbe8824ce2e828a59a86f9600e7a 100644
--- a/chrome/browser/automation/automation_provider.cc
+++ b/chrome/browser/automation/automation_provider.cc
@@ -21,6 +21,7 @@
 #include "chrome/browser/app_modal_dialog_queue.h"
 #include "chrome/browser/automation/automation_extension_function.h"
 #include "chrome/browser/automation/automation_provider_list.h"
+#include "chrome/browser/automation/automation_provider_observers.h"
 #include "chrome/browser/automation/extension_automation_constants.h"
 #include "chrome/browser/automation/extension_port_container.h"
 #include "chrome/browser/blocked_popup_container.h"
@@ -70,752 +71,6 @@
 
 using base::Time;
 
-class InitialLoadObserver : public NotificationObserver {
- public:
-  InitialLoadObserver(size_t tab_count, AutomationProvider* automation)
-      : automation_(automation),
-        outstanding_tab_count_(tab_count) {
-    if (outstanding_tab_count_ > 0) {
-      registrar_.Add(this, NotificationType::LOAD_START,
-                     NotificationService::AllSources());
-      registrar_.Add(this, NotificationType::LOAD_STOP,
-                     NotificationService::AllSources());
-    }
-  }
-
-  ~InitialLoadObserver() {
-  }
-
-  void ConditionMet() {
-    registrar_.RemoveAll();
-    automation_->Send(new AutomationMsg_InitialLoadsComplete(0));
-  }
-
-  virtual void Observe(NotificationType type,
-                       const NotificationSource& source,
-                       const NotificationDetails& details) {
-    if (type == NotificationType::LOAD_START) {
-      if (outstanding_tab_count_ > loading_tabs_.size())
-        loading_tabs_.insert(source.map_key());
-    } else if (type == NotificationType::LOAD_STOP) {
-      if (outstanding_tab_count_ > finished_tabs_.size()) {
-        if (loading_tabs_.find(source.map_key()) != loading_tabs_.end())
-          finished_tabs_.insert(source.map_key());
-        if (outstanding_tab_count_ == finished_tabs_.size())
-          ConditionMet();
-      }
-    } else {
-      NOTREACHED();
-    }
-  }
-
- private:
-  typedef std::set<uintptr_t> TabSet;
-
-  NotificationRegistrar registrar_;
-
-  AutomationProvider* automation_;
-  size_t outstanding_tab_count_;
-  TabSet loading_tabs_;
-  TabSet finished_tabs_;
-};
-
-// Watches for NewTabUI page loads for performance timing purposes.
-class NewTabUILoadObserver : public NotificationObserver {
- public:
-  explicit NewTabUILoadObserver(AutomationProvider* automation)
-      : automation_(automation) {
-    registrar_.Add(this, NotificationType::INITIAL_NEW_TAB_UI_LOAD,
-                   NotificationService::AllSources());
-  }
-
-  ~NewTabUILoadObserver() {
-  }
-
-  virtual void Observe(NotificationType type,
-                       const NotificationSource& source,
-                       const NotificationDetails& details) {
-    if (type == NotificationType::INITIAL_NEW_TAB_UI_LOAD) {
-      Details<int> load_time(details);
-      automation_->Send(
-          new AutomationMsg_InitialNewTabUILoadComplete(0, *load_time.ptr()));
-    } else {
-      NOTREACHED();
-    }
-  }
-
- private:
-  NotificationRegistrar registrar_;
-  AutomationProvider* automation_;
-};
-
-class NavigationControllerRestoredObserver : public NotificationObserver {
- public:
-  NavigationControllerRestoredObserver(AutomationProvider* automation,
-                                       NavigationController* controller,
-                                       IPC::Message* reply_message)
-      : automation_(automation),
-        controller_(controller),
-        reply_message_(reply_message) {
-    if (FinishedRestoring()) {
-      SendDone();
-    } else {
-      registrar_.Add(this, NotificationType::LOAD_STOP,
-                     NotificationService::AllSources());
-    }
-  }
-
-  ~NavigationControllerRestoredObserver() {
-  }
-
-  virtual void Observe(NotificationType type,
-                       const NotificationSource& source,
-                       const NotificationDetails& details) {
-    if (FinishedRestoring()) {
-      SendDone();
-      registrar_.RemoveAll();
-    }
-  }
-
- private:
-  bool FinishedRestoring() {
-    return (!controller_->needs_reload() && !controller_->pending_entry() &&
-            !controller_->tab_contents()->is_loading());
-  }
-
-  void SendDone() {
-    DCHECK(reply_message_ != NULL);
-    automation_->Send(reply_message_);
-  }
-
-  NotificationRegistrar registrar_;
-  AutomationProvider* automation_;
-  NavigationController* controller_;
-  IPC::Message* reply_message_;
-
-  DISALLOW_COPY_AND_ASSIGN(NavigationControllerRestoredObserver);
-};
-
-class NavigationNotificationObserver : public NotificationObserver {
- public:
-  NavigationNotificationObserver(NavigationController* controller,
-                                 AutomationProvider* automation,
-                                 IPC::Message* reply_message,
-                                 int number_of_navigations)
-    : automation_(automation),
-      reply_message_(reply_message),
-      controller_(controller),
-      navigations_remaining_(number_of_navigations),
-      navigation_started_(false) {
-    DCHECK_LT(0, navigations_remaining_);
-    Source<NavigationController> source(controller_);
-    registrar_.Add(this, NotificationType::NAV_ENTRY_COMMITTED, source);
-    registrar_.Add(this, NotificationType::LOAD_START, source);
-    registrar_.Add(this, NotificationType::LOAD_STOP, source);
-    registrar_.Add(this, NotificationType::AUTH_NEEDED, source);
-    registrar_.Add(this, NotificationType::AUTH_SUPPLIED, source);
-  }
-
-  ~NavigationNotificationObserver() {
-    if (reply_message_) {
-      // This means we did not receive a notification for this navigation.
-      // Send over a failed navigation status back to the caller to ensure that
-      // the caller does not hang waiting for the response.
-      IPC::ParamTraits<AutomationMsg_NavigationResponseValues>::Write(
-          reply_message_, AUTOMATION_MSG_NAVIGATION_ERROR);
-      automation_->Send(reply_message_);
-      reply_message_ = NULL;
-    }
-
-    automation_->RemoveNavigationStatusListener(this);
-  }
-
-  void ConditionMet(AutomationMsg_NavigationResponseValues navigation_result) {
-    DCHECK(reply_message_ != NULL);
-
-    IPC::ParamTraits<AutomationMsg_NavigationResponseValues>::Write(
-        reply_message_, navigation_result);
-    automation_->Send(reply_message_);
-    reply_message_ = NULL;
-
-    delete this;
-  }
-
-  virtual void Observe(NotificationType type,
-                       const NotificationSource& source,
-                       const NotificationDetails& details) {
-    // We listen for 2 events to determine when the navigation started because:
-    // - when this is used by the WaitForNavigation method, we might be invoked
-    // afer the load has started (but not after the entry was committed, as
-    // WaitForNavigation compares times of the last navigation).
-    // - when this is used with a page requiring authentication, we will not get
-    // a NotificationType::NAV_ENTRY_COMMITTED until after we authenticate, so
-    // we need the NotificationType::LOAD_START.
-    if (type == NotificationType::NAV_ENTRY_COMMITTED ||
-        type == NotificationType::LOAD_START) {
-      navigation_started_ = true;
-    } else if (type == NotificationType::LOAD_STOP) {
-      if (navigation_started_) {
-        navigation_started_ = false;
-        if (--navigations_remaining_ == 0)
-          ConditionMet(AUTOMATION_MSG_NAVIGATION_SUCCESS);
-      }
-    } else if (type == NotificationType::AUTH_SUPPLIED) {
-      // The LoginHandler for this tab is no longer valid.
-      automation_->RemoveLoginHandler(controller_);
-
-      // Treat this as if navigation started again, since load start/stop don't
-      // occur while authentication is ongoing.
-      navigation_started_ = true;
-    } else if (type == NotificationType::AUTH_NEEDED) {
-#if defined(OS_WIN)
-      if (navigation_started_) {
-        // Remember the login handler that wants authentication.
-        LoginHandler* handler =
-            Details<LoginNotificationDetails>(details)->handler();
-        automation_->AddLoginHandler(controller_, handler);
-
-        // Respond that authentication is needed.
-        navigation_started_ = false;
-        ConditionMet(AUTOMATION_MSG_NAVIGATION_AUTH_NEEDED);
-      } else {
-        NOTREACHED();
-      }
-#else
-      // TODO(port): Enable when we have LoginNotificationDetails etc.
-      NOTIMPLEMENTED();
-#endif
-    } else {
-      NOTREACHED();
-    }
-  }
-
- private:
-  NotificationRegistrar registrar_;
-  AutomationProvider* automation_;
-  IPC::Message* reply_message_;
-  NavigationController* controller_;
-  int navigations_remaining_;
-  bool navigation_started_;
-};
-
-class TabStripNotificationObserver : public NotificationObserver {
- public:
-  TabStripNotificationObserver(NotificationType notification,
-                               AutomationProvider* automation)
-      : automation_(automation),
-        notification_(notification) {
-    registrar_.Add(this, notification_, NotificationService::AllSources());
-  }
-
-  virtual ~TabStripNotificationObserver() {
-  }
-
-  virtual void Observe(NotificationType type,
-                       const NotificationSource& source,
-                       const NotificationDetails& details) {
-    if (type == notification_) {
-      ObserveTab(Source<NavigationController>(source).ptr());
-
-      // If verified, no need to observe anymore
-      automation_->RemoveTabStripObserver(this);
-      delete this;
-    } else {
-      NOTREACHED();
-    }
-  }
-
-  virtual void ObserveTab(NavigationController* controller) = 0;
-
- protected:
-  NotificationRegistrar registrar_;
-  AutomationProvider* automation_;
-  NotificationType notification_;
-};
-
-class TabAppendedNotificationObserver : public TabStripNotificationObserver {
- public:
-  TabAppendedNotificationObserver(Browser* parent,
-                                  AutomationProvider* automation,
-                                  IPC::Message* reply_message)
-      : TabStripNotificationObserver(NotificationType::TAB_PARENTED,
-                                     automation),
-        parent_(parent),
-        reply_message_(reply_message) {
-  }
-
-  virtual void ObserveTab(NavigationController* controller) {
-    if (automation_->GetIndexForNavigationController(controller, parent_) ==
-        TabStripModel::kNoTab) {
-      // This tab notification doesn't belong to the parent_.
-      return;
-    }
-
-    automation_->AddNavigationStatusListener(controller, reply_message_, 1);
-  }
-
- protected:
-  Browser* parent_;
-  IPC::Message* reply_message_;
-};
-
-class TabClosedNotificationObserver : public TabStripNotificationObserver {
- public:
-  TabClosedNotificationObserver(AutomationProvider* automation,
-                                bool wait_until_closed,
-                                IPC::Message* reply_message)
-      : TabStripNotificationObserver(wait_until_closed ?
-            NotificationType::TAB_CLOSED : NotificationType::TAB_CLOSING,
-            automation),
-        reply_message_(reply_message),
-        for_browser_command_(false) {
-  }
-
-  virtual void ObserveTab(NavigationController* controller) {
-    if (for_browser_command_) {
-      AutomationMsg_WindowExecuteCommand::WriteReplyParams(reply_message_,
-                                                           true);
-    } else {
-      AutomationMsg_CloseTab::WriteReplyParams(reply_message_, true);
-    }
-    automation_->Send(reply_message_);
-  }
-
-  void set_for_browser_command(bool for_browser_command) {
-    for_browser_command_ = for_browser_command;
-  }
-
- protected:
-  IPC::Message* reply_message_;
-  bool for_browser_command_;
-};
-
-class BrowserOpenedNotificationObserver : public NotificationObserver {
- public:
-  BrowserOpenedNotificationObserver(AutomationProvider* automation,
-                                    IPC::Message* reply_message)
-      : automation_(automation),
-        reply_message_(reply_message),
-        for_browser_command_(false) {
-    registrar_.Add(this, NotificationType::BROWSER_OPENED,
-                   NotificationService::AllSources());
-  }
-
-  ~BrowserOpenedNotificationObserver() {
-  }
-
-  virtual void Observe(NotificationType type,
-                       const NotificationSource& source,
-                       const NotificationDetails& details) {
-    if (type == NotificationType::BROWSER_OPENED) {
-      if (for_browser_command_) {
-        AutomationMsg_WindowExecuteCommand::WriteReplyParams(reply_message_,
-                                                             true);
-      }
-      automation_->Send(reply_message_);
-      delete this;
-    } else {
-      NOTREACHED();
-    }
-  }
-
-  void set_for_browser_command(bool for_browser_command) {
-    for_browser_command_ = for_browser_command;
-  }
-
- private:
-  NotificationRegistrar registrar_;
-  AutomationProvider* automation_;
-  IPC::Message* reply_message_;
-  bool for_browser_command_;
-};
-
-class BrowserClosedNotificationObserver : public NotificationObserver {
- public:
-  BrowserClosedNotificationObserver(Browser* browser,
-                                    AutomationProvider* automation,
-                                    IPC::Message* reply_message)
-      : automation_(automation),
-        reply_message_(reply_message),
-        for_browser_command_(false) {
-    registrar_.Add(this, NotificationType::BROWSER_CLOSED,
-                   Source<Browser>(browser));
-  }
-
-  virtual void Observe(NotificationType type,
-                       const NotificationSource& source,
-                       const NotificationDetails& details) {
-    DCHECK(type == NotificationType::BROWSER_CLOSED);
-    Details<bool> close_app(details);
-    DCHECK(reply_message_ != NULL);
-    if (for_browser_command_) {
-      AutomationMsg_WindowExecuteCommand::WriteReplyParams(reply_message_,
-                                                           true);
-    } else {
-      AutomationMsg_CloseBrowser::WriteReplyParams(reply_message_, true,
-                                                   *(close_app.ptr()));
-    }
-    automation_->Send(reply_message_);
-    reply_message_ = NULL;
-    delete this;
-  }
-
-  void set_for_browser_command(bool for_browser_command) {
-    for_browser_command_ = for_browser_command;
-  }
-
- private:
-  NotificationRegistrar registrar_;
-  AutomationProvider* automation_;
-  IPC::Message* reply_message_;
-  bool for_browser_command_;
-};
-
-class BrowserCountChangeNotificationObserver : public NotificationObserver {
- public:
-  BrowserCountChangeNotificationObserver(int target_count,
-                                         AutomationProvider* automation,
-                                         IPC::Message* reply_message)
-      : target_count_(target_count),
-        automation_(automation),
-        reply_message_(reply_message) {
-    registrar_.Add(this, NotificationType::BROWSER_OPENED,
-                   NotificationService::AllSources());
-    registrar_.Add(this, NotificationType::BROWSER_CLOSED,
-                   NotificationService::AllSources());
-  }
-
-  virtual void Observe(NotificationType type,
-                       const NotificationSource& source,
-                       const NotificationDetails& details) {
-    DCHECK(type == NotificationType::BROWSER_OPENED ||
-           type == NotificationType::BROWSER_CLOSED);
-    int current_count = static_cast<int>(BrowserList::size());
-    if (type == NotificationType::BROWSER_CLOSED) {
-      // At the time of the notification the browser being closed is not removed
-      // from the list. The real count is one less than the reported count.
-      DCHECK_LT(0, current_count);
-      current_count--;
-    }
-    if (current_count == target_count_) {
-      AutomationMsg_WaitForBrowserWindowCountToBecome::WriteReplyParams(
-          reply_message_, true);
-      automation_->Send(reply_message_);
-      reply_message_ = NULL;
-      delete this;
-    }
-  }
-
- private:
-  int target_count_;
-  NotificationRegistrar registrar_;
-  AutomationProvider* automation_;
-  IPC::Message* reply_message_;
-};
-
-class AppModalDialogShownObserver : public NotificationObserver {
- public:
-  AppModalDialogShownObserver(AutomationProvider* automation,
-                              IPC::Message* reply_message)
-      : automation_(automation),
-        reply_message_(reply_message) {
-    registrar_.Add(this, NotificationType::APP_MODAL_DIALOG_SHOWN,
-                   NotificationService::AllSources());
-  }
-
-  ~AppModalDialogShownObserver() {
-  }
-
-  virtual void Observe(NotificationType type,
-                       const NotificationSource& source,
-                       const NotificationDetails& details) {
-    DCHECK(type == NotificationType::APP_MODAL_DIALOG_SHOWN);
-    AutomationMsg_WaitForAppModalDialogToBeShown::WriteReplyParams(
-        reply_message_, true);
-    automation_->Send(reply_message_);
-    reply_message_ = NULL;
-    delete this;
-  }
-
- private:
-  NotificationRegistrar registrar_;
-  AutomationProvider* automation_;
-  IPC::Message* reply_message_;
-};
-
-namespace {
-
-// Define mapping from command to notification
-struct CommandNotification {
-  int command;
-  NotificationType::Type notification_type;
-};
-
-const struct CommandNotification command_notifications[] = {
-  {IDC_DUPLICATE_TAB, NotificationType::TAB_PARENTED},
-  {IDC_NEW_TAB, NotificationType::TAB_PARENTED},
-  // Returns as soon as the restored tab is created. To further wait until
-  // the content page is loaded, use WaitForTabToBeRestored.
-  {IDC_RESTORE_TAB, NotificationType::TAB_PARENTED}
-};
-
-}  // namespace
-
-class ExecuteBrowserCommandObserver : public NotificationObserver {
- public:
-  ~ExecuteBrowserCommandObserver() {
-  }
-
-  static bool CreateAndRegisterObserver(AutomationProvider* automation,
-                                        Browser* browser,
-                                        int command,
-                                        IPC::Message* reply_message) {
-    bool result = true;
-    switch (command) {
-      case IDC_NEW_WINDOW:
-      case IDC_NEW_INCOGNITO_WINDOW: {
-        BrowserOpenedNotificationObserver* observer =
-            new BrowserOpenedNotificationObserver(automation, reply_message);
-        observer->set_for_browser_command(true);
-        break;
-      }
-      case IDC_CLOSE_WINDOW: {
-        BrowserClosedNotificationObserver* observer =
-            new BrowserClosedNotificationObserver(browser, automation,
-                                                  reply_message);
-        observer->set_for_browser_command(true);
-        break;
-      }
-      case IDC_CLOSE_TAB: {
-        TabClosedNotificationObserver* observer =
-            new TabClosedNotificationObserver(automation, true, reply_message);
-        observer->set_for_browser_command(true);
-        break;
-      }
-      case IDC_BACK:
-      case IDC_FORWARD:
-      case IDC_RELOAD: {
-        automation->AddNavigationStatusListener(
-            &browser->GetSelectedTabContents()->controller(),
-            reply_message, 1);
-        break;
-      }
-      default: {
-        ExecuteBrowserCommandObserver* observer =
-            new ExecuteBrowserCommandObserver(automation, reply_message);
-        if (!observer->Register(command)) {
-          delete observer;
-          result = false;
-        }
-        break;
-      }
-    }
-    return result;
-  }
-
-  virtual void Observe(NotificationType type,
-                       const NotificationSource& source,
-                       const NotificationDetails& details) {
-    if (type == notification_type_) {
-      AutomationMsg_WindowExecuteCommand::WriteReplyParams(reply_message_,
-                                                           true);
-      automation_->Send(reply_message_);
-      delete this;
-    } else {
-      NOTREACHED();
-    }
-  }
-
- private:
-  ExecuteBrowserCommandObserver(AutomationProvider* automation,
-                                IPC::Message* reply_message)
-      : automation_(automation),
-        reply_message_(reply_message) {
-  }
-
-  bool Register(int command) {
-    if (!GetNotificationType(command, &notification_type_))
-      return false;
-    registrar_.Add(this, notification_type_, NotificationService::AllSources());
-    return true;
-  }
-
-  bool GetNotificationType(int command, NotificationType::Type* type) {
-    if (!type)
-      return false;
-    bool found = false;
-    for (unsigned int i = 0; i < arraysize(command_notifications); i++) {
-      if (command_notifications[i].command == command) {
-        *type = command_notifications[i].notification_type;
-        found = true;
-        break;
-      }
-    }
-    return found;
-  }
-
-  NotificationRegistrar registrar_;
-  AutomationProvider* automation_;
-  NotificationType::Type notification_type_;
-  IPC::Message* reply_message_;
-};
-
-class FindInPageNotificationObserver : public NotificationObserver {
- public:
-  FindInPageNotificationObserver(AutomationProvider* automation,
-                                 TabContents* parent_tab,
-                                 IPC::Message* reply_message)
-      : automation_(automation),
-        active_match_ordinal_(-1),
-        reply_message_(reply_message) {
-    registrar_.Add(this, NotificationType::FIND_RESULT_AVAILABLE,
-                   Source<TabContents>(parent_tab));
-  }
-
-  ~FindInPageNotificationObserver() {
-  }
-
-  virtual void Observe(NotificationType type,
-                       const NotificationSource& source,
-                       const NotificationDetails& details) {
-    if (type == NotificationType::FIND_RESULT_AVAILABLE) {
-      Details<FindNotificationDetails> find_details(details);
-      if (find_details->request_id() == kFindInPageRequestId) {
-        // We get multiple responses and one of those will contain the ordinal.
-        // This message comes to us before the final update is sent.
-        if (find_details->active_match_ordinal() > -1)
-          active_match_ordinal_ = find_details->active_match_ordinal();
-        if (find_details->final_update()) {
-          if (reply_message_ != NULL) {
-            AutomationMsg_FindInPage::WriteReplyParams(reply_message_,
-                active_match_ordinal_, find_details->number_of_matches());
-            automation_->Send(reply_message_);
-            reply_message_ = NULL;
-          } else {
-            DLOG(WARNING) << "Multiple final Find messages observed.";
-          }
-        } else {
-          DLOG(INFO) << "Ignoring, since we only care about the final message";
-        }
-      }
-    } else {
-      NOTREACHED();
-    }
-  }
-
-  // The Find mechanism is over asynchronous IPC, so a search is kicked off and
-  // we wait for notification to find out what the results are. As the user is
-  // typing, new search requests can be issued and the Request ID helps us make
-  // sense of whether this is the current request or an old one. The unit tests,
-  // however, which uses this constant issues only one search at a time, so we
-  // don't need a rolling id to identify each search. But, we still need to
-  // specify one, so we just use a fixed one - its value does not matter.
-  static const int kFindInPageRequestId;
-
- private:
-  NotificationRegistrar registrar_;
-  AutomationProvider* automation_;
-  // We will at some point (before final update) be notified of the ordinal and
-  // we need to preserve it so we can send it later.
-  int active_match_ordinal_;
-  IPC::Message* reply_message_;
-};
-
-const int FindInPageNotificationObserver::kFindInPageRequestId = -1;
-
-class DomOperationNotificationObserver : public NotificationObserver {
- public:
-  explicit DomOperationNotificationObserver(AutomationProvider* automation)
-      : automation_(automation) {
-    registrar_.Add(this, NotificationType::DOM_OPERATION_RESPONSE,
-                   NotificationService::AllSources());
-  }
-
-  ~DomOperationNotificationObserver() {
-  }
-
-  virtual void Observe(NotificationType type,
-                       const NotificationSource& source,
-                       const NotificationDetails& details) {
-    if (NotificationType::DOM_OPERATION_RESPONSE == type) {
-      Details<DomOperationNotificationDetails> dom_op_details(details);
-
-      IPC::Message* reply_message = automation_->reply_message_release();
-      DCHECK(reply_message != NULL);
-
-      AutomationMsg_DomOperation::WriteReplyParams(reply_message,
-                                                   dom_op_details->json());
-      automation_->Send(reply_message);
-    }
-  }
-
- private:
-  NotificationRegistrar registrar_;
-  AutomationProvider* automation_;
-};
-
-#if defined(OS_WIN)
-// TODO(port): Enable when printing is ported.
-class DocumentPrintedNotificationObserver : public NotificationObserver {
- public:
-  DocumentPrintedNotificationObserver(AutomationProvider* automation,
-                                      IPC::Message* reply_message)
-      : automation_(automation),
-        success_(false),
-        reply_message_(reply_message) {
-    registrar_.Add(this, NotificationType::PRINT_JOB_EVENT,
-                   NotificationService::AllSources());
-  }
-
-  ~DocumentPrintedNotificationObserver() {
-    DCHECK(reply_message_ != NULL);
-    AutomationMsg_PrintNow::WriteReplyParams(reply_message_, success_);
-    automation_->Send(reply_message_);
-    automation_->RemoveNavigationStatusListener(this);
-  }
-
-  virtual void Observe(NotificationType type, const NotificationSource& source,
-                       const NotificationDetails& details) {
-    using namespace printing;
-    DCHECK(type == NotificationType::PRINT_JOB_EVENT);
-    switch (Details<JobEventDetails>(details)->type()) {
-      case JobEventDetails::JOB_DONE: {
-        // Succeeded.
-        success_ = true;
-        delete this;
-        break;
-      }
-      case JobEventDetails::USER_INIT_CANCELED:
-      case JobEventDetails::FAILED: {
-        // Failed.
-        delete this;
-        break;
-      }
-      case JobEventDetails::NEW_DOC:
-      case JobEventDetails::USER_INIT_DONE:
-      case JobEventDetails::DEFAULT_INIT_DONE:
-      case JobEventDetails::NEW_PAGE:
-      case JobEventDetails::PAGE_DONE:
-      case JobEventDetails::DOC_DONE:
-      case JobEventDetails::ALL_PAGES_REQUESTED: {
-        // Don't care.
-        break;
-      }
-      default: {
-        NOTREACHED();
-        break;
-      }
-    }
-  }
-
- private:
-  NotificationRegistrar registrar_;
-  scoped_refptr<AutomationProvider> automation_;
-  bool success_;
-  IPC::Message* reply_message_;
-};
-#endif  // defined(OS_WIN)
-
 class AutomationInterstitialPage : public InterstitialPage {
  public:
   AutomationInterstitialPage(TabContents* tab,