Rename BookmarksTabHelper to BookmarkTabHelper.

chrome/browser/ui/bookmarks/bookmarks_tab_helper.cc

-// Copyright (c) 2011 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/ui/bookmarks/bookmarks_tab_helper.h"
-
-#include "chrome/browser/bookmarks/bookmark_model.h"
-#include "chrome/browser/profiles/profile.h"
-#include "chrome/browser/ui/bookmarks/bookmarks_tab_helper_delegate.h"
-#include "chrome/browser/ui/tab_contents/tab_contents_wrapper.h"
-#include "content/common/notification_service.h"
-
-BookmarksTabHelper::BookmarksTabHelper(TabContentsWrapper* tab_contents)
-    : TabContentsObserver(tab_contents->tab_contents()),
-      is_starred_(false),
-      tab_contents_wrapper_(tab_contents),
-      delegate_(NULL) {
-  // Register for notifications about URL starredness changing on any profile.
-  registrar_.Add(this, NotificationType::URLS_STARRED,
-                 NotificationService::AllSources());
-  registrar_.Add(this, NotificationType::BOOKMARK_MODEL_LOADED,
-                 NotificationService::AllSources());
-}
-
-BookmarksTabHelper::~BookmarksTabHelper() {
-  // We don't want any notifications while we're running our destructor.
-  registrar_.RemoveAll();
-}
-
-void BookmarksTabHelper::DidNavigateMainFramePostCommit(
-    const NavigationController::LoadCommittedDetails& /*details*/,
-    const ViewHostMsg_FrameNavigate_Params& /*params*/) {
-  UpdateStarredStateForCurrentURL();
-}
-
-void BookmarksTabHelper::Observe(NotificationType type,
-                                 const NotificationSource& source,
-                                 const NotificationDetails& details) {
-  switch (type.value) {
-    case NotificationType::BOOKMARK_MODEL_LOADED:
-      // BookmarkModel finished loading, fall through to update starred state.
-    case NotificationType::URLS_STARRED: {
-      // Somewhere, a URL has been starred.
-      // Ignore notifications for profiles other than our current one.
-      Profile* source_profile = Source<Profile>(source).ptr();
-      if (!source_profile ||
-          !source_profile->IsSameProfile(tab_contents_wrapper_->profile()))
-        return;
-
-      UpdateStarredStateForCurrentURL();
-      break;
-    }
-
-    default:
-      NOTREACHED();
-  }
-}
-
-void BookmarksTabHelper::UpdateStarredStateForCurrentURL() {
-  BookmarkModel* model = tab_contents()->profile()->GetBookmarkModel();
-  const bool old_state = is_starred_;
-  is_starred_ = (model && model->IsBookmarked(tab_contents()->GetURL()));
-
-  if (is_starred_ != old_state && delegate())
-    delegate()->URLStarredChanged(tab_contents_wrapper_, is_starred_);
-}