Move small c/b/extensions classes into extensions namespace no.2

chrome/browser/extensions/extension_navigation_observer.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 "chrome/browser/extensions/extension_navigation_observer.h"
-
-#include "chrome/browser/extensions/extension_install_ui.h"
-#include "chrome/browser/extensions/extension_service.h"
-#include "chrome/browser/profiles/profile.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"
-
-using content::NavigationController;
-using content::NavigationEntry;
-
-ExtensionNavigationObserver::ExtensionNavigationObserver(Profile* profile)
-    : profile_(profile) {
-  RegisterForNotifications();
-}
-
-ExtensionNavigationObserver::~ExtensionNavigationObserver() {}
-
-void ExtensionNavigationObserver::Observe(
-    int type,
-    const content::NotificationSource& source,
-    const content::NotificationDetails& details) {
-  if (type != content::NOTIFICATION_NAV_ENTRY_COMMITTED) {
-    NOTREACHED();
-    return;
-  }
-
-  NavigationController* controller =
-      content::Source<NavigationController>(source).ptr();
-  if (!profile_->IsSameProfile(
-          Profile::FromBrowserContext(controller->GetBrowserContext())))
-    return;
-
-  PromptToEnableExtensionIfNecessary(controller);
-}
-
-void ExtensionNavigationObserver::RegisterForNotifications() {
-  registrar_.Add(this, content::NOTIFICATION_NAV_ENTRY_COMMITTED,
-                 content::NotificationService::AllSources());
-}
-
-void ExtensionNavigationObserver::PromptToEnableExtensionIfNecessary(
-    NavigationController* nav_controller) {
-  // Bail out if we're already running a prompt.
-  if (!in_progress_prompt_extension_id_.empty())
-    return;
-
-  NavigationEntry* nav_entry = nav_controller->GetActiveEntry();
-  if (!nav_entry)
-    return;
-
-  ExtensionService* extension_service = profile_->GetExtensionService();
-  const extensions::Extension* extension =
-      extension_service->disabled_extensions()->
-      GetExtensionOrAppByURL(ExtensionURLInfo(nav_entry->GetURL()));
-  if (!extension)
-    return;
-
-  // Try not to repeatedly prompt the user about the same extension.
-  if (prompted_extensions_.find(extension->id()) != prompted_extensions_.end())
-    return;
-  prompted_extensions_.insert(extension->id());
-
-  extensions::ExtensionPrefs* extension_prefs =
-      extension_service->extension_prefs();
-  if (extension_prefs->DidExtensionEscalatePermissions(extension->id())) {
-    // Keep track of the extension id and nav controller we're prompting for.
-    // These must be reset in InstallUIProceed and InstallUIAbort.
-    in_progress_prompt_extension_id_ = extension->id();
-    in_progress_prompt_navigation_controller_ = nav_controller;
-
-    extension_install_prompt_.reset(
-        ExtensionInstallUI::CreateInstallPromptWithWebContents(
-            nav_controller->GetWebContents()));
-    extension_install_prompt_->ConfirmReEnable(this, extension);
-  }
-}
-
-void ExtensionNavigationObserver::InstallUIProceed() {
-  ExtensionService* extension_service = profile_->GetExtensionService();
-  const extensions::Extension* extension = extension_service->GetExtensionById(
-      in_progress_prompt_extension_id_, true);
-  NavigationController* nav_controller =
-      in_progress_prompt_navigation_controller_;
-  CHECK(extension);
-  CHECK(nav_controller);
-
-  in_progress_prompt_extension_id_ = "";
-  in_progress_prompt_navigation_controller_ = NULL;
-  extension_install_prompt_.reset();
-
-  // Grant permissions, re-enable the extension, and then reload the tab.
-  extension_service->GrantPermissionsAndEnableExtension(
-      extension, extension_install_prompt_->record_oauth2_grant());
-  nav_controller->Reload(true);
-}
-
-void ExtensionNavigationObserver::InstallUIAbort(bool user_initiated) {
-  ExtensionService* extension_service = profile_->GetExtensionService();
-  const extensions::Extension* extension = extension_service->GetExtensionById(
-      in_progress_prompt_extension_id_, true);
-
-  in_progress_prompt_extension_id_ = "";
-  in_progress_prompt_navigation_controller_ = NULL;
-  extension_install_prompt_.reset();
-
-  std::string histogram_name = user_initiated ?
-      "Extensions.Permissions_ReEnableCancel" :
-      "Extensions.Permissions_ReEnableAbort";
-  ExtensionService::RecordPermissionMessagesHistogram(
-      extension, histogram_name.c_str());
-}