Delete the GTK+ port of Chrome.

chrome/browser/ui/gtk/bookmarks/bookmark_bar_gtk.cc

Index: chrome/browser/ui/gtk/bookmarks/bookmark_bar_gtk.cc
diff --git a/chrome/browser/ui/gtk/bookmarks/bookmark_bar_gtk.cc b/chrome/browser/ui/gtk/bookmarks/bookmark_bar_gtk.cc
deleted file mode 100644
index 6612538bd108f2492a8eeb34883fd87602833e56..0000000000000000000000000000000000000000
--- a/chrome/browser/ui/gtk/bookmarks/bookmark_bar_gtk.cc
+++ /dev/null
@@ -1,1517 +0,0 @@
-// 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/ui/gtk/bookmarks/bookmark_bar_gtk.h"
-
-#include <vector>
-
-#include "base/bind.h"
-#include "base/debug/trace_event.h"
-#include "base/metrics/histogram.h"
-#include "base/pickle.h"
-#include "base/prefs/pref_service.h"
-#include "base/strings/utf_string_conversions.h"
-#include "chrome/browser/bookmarks/bookmark_model.h"
-#include "chrome/browser/bookmarks/bookmark_model_factory.h"
-#include "chrome/browser/bookmarks/bookmark_node_data.h"
-#include "chrome/browser/bookmarks/bookmark_stats.h"
-#include "chrome/browser/chrome_notification_types.h"
-#include "chrome/browser/extensions/extension_service.h"
-#include "chrome/browser/profiles/profile.h"
-#include "chrome/browser/themes/theme_properties.h"
-#include "chrome/browser/ui/bookmarks/bookmark_bar_constants.h"
-#include "chrome/browser/ui/bookmarks/bookmark_drag_drop.h"
-#include "chrome/browser/ui/bookmarks/bookmark_utils.h"
-#include "chrome/browser/ui/browser.h"
-#include "chrome/browser/ui/chrome_pages.h"
-#include "chrome/browser/ui/gtk/bookmarks/bookmark_bar_instructions_gtk.h"
-#include "chrome/browser/ui/gtk/bookmarks/bookmark_menu_controller_gtk.h"
-#include "chrome/browser/ui/gtk/bookmarks/bookmark_utils_gtk.h"
-#include "chrome/browser/ui/gtk/browser_window_gtk.h"
-#include "chrome/browser/ui/gtk/custom_button.h"
-#include "chrome/browser/ui/gtk/event_utils.h"
-#include "chrome/browser/ui/gtk/gtk_chrome_button.h"
-#include "chrome/browser/ui/gtk/gtk_theme_service.h"
-#include "chrome/browser/ui/gtk/gtk_util.h"
-#include "chrome/browser/ui/gtk/hover_controller_gtk.h"
-#include "chrome/browser/ui/gtk/menu_gtk.h"
-#include "chrome/browser/ui/gtk/rounded_window.h"
-#include "chrome/browser/ui/gtk/tabstrip_origin_provider.h"
-#include "chrome/browser/ui/gtk/view_id_util.h"
-#include "chrome/browser/ui/ntp_background_util.h"
-#include "chrome/browser/ui/tabs/tab_strip_model.h"
-#include "chrome/browser/ui/webui/ntp/core_app_launcher_handler.h"
-#include "chrome/common/extensions/extension_constants.h"
-#include "chrome/common/pref_names.h"
-#include "chrome/common/url_constants.h"
-#include "content/public/browser/notification_details.h"
-#include "content/public/browser/notification_source.h"
-#include "content/public/browser/user_metrics.h"
-#include "content/public/browser/web_contents.h"
-#include "content/public/browser/web_contents_view.h"
-#include "grit/generated_resources.h"
-#include "grit/theme_resources.h"
-#include "grit/ui_resources.h"
-#include "ui/base/dragdrop/drag_drop_types.h"
-#include "ui/base/dragdrop/gtk_dnd_util.h"
-#include "ui/base/l10n/l10n_util.h"
-#include "ui/base/resource/resource_bundle.h"
-#include "ui/gfx/canvas_skia_paint.h"
-#include "ui/gfx/gtk_compat.h"
-#include "ui/gfx/gtk_util.h"
-#include "ui/gfx/image/cairo_cached_surface.h"
-#include "ui/gfx/image/image.h"
-
-using base::UserMetricsAction;
-using content::PageNavigator;
-using content::WebContents;
-
-namespace {
-
-// Padding for when the bookmark bar is detached.
-const int kTopBottomNTPPadding = 12;
-const int kLeftRightNTPPadding = 8;
-
-// Padding around the bar's content area when the bookmark bar is detached.
-const int kNTPPadding = 2;
-
-// The number of pixels of rounding on the corners of the bookmark bar content
-// area when in detached mode.
-const int kNTPRoundedness = 3;
-
-// The height of the bar when it is "hidden". It is usually not completely
-// hidden because even when it is closed it forms the bottom few pixels of
-// the toolbar.
-const int kBookmarkBarMinimumHeight = 3;
-
-// Left-padding for the instructional text.
-const int kInstructionsPadding = 6;
-
-// Padding around the "Other Bookmarks" button.
-const int kOtherBookmarksPaddingHorizontal = 2;
-const int kOtherBookmarksPaddingVertical = 1;
-
-// The targets accepted by the toolbar and folder buttons for DnD.
-const int kDestTargetList[] = { ui::CHROME_BOOKMARK_ITEM,
-                                ui::CHROME_NAMED_URL,
-                                ui::TEXT_URI_LIST,
-                                ui::NETSCAPE_URL,
-                                ui::TEXT_PLAIN, -1 };
-
-// Acceptable drag actions for the bookmark bar drag destinations.
-const GdkDragAction kDragAction =
-    GdkDragAction(GDK_ACTION_MOVE | GDK_ACTION_COPY);
-
-void SetToolBarStyle() {
-  static bool style_was_set = false;
-
-  if (style_was_set)
-    return;
-  style_was_set = true;
-
-  gtk_rc_parse_string(
-      "style \"chrome-bookmark-toolbar\" {"
-      "  xthickness = 0\n"
-      "  ythickness = 0\n"
-      "  GtkWidget::focus-padding = 0\n"
-      "  GtkContainer::border-width = 0\n"
-      "  GtkToolbar::internal-padding = 1\n"
-      "  GtkToolbar::shadow-type = GTK_SHADOW_NONE\n"
-      "}\n"
-      "widget \"*chrome-bookmark-toolbar\" style \"chrome-bookmark-toolbar\"");
-}
-
-void RecordAppLaunch(Profile* profile, const GURL& url) {
-  DCHECK(profile->GetExtensionService());
-  const extensions::Extension* extension =
-      profile->GetExtensionService()->GetInstalledApp(url);
-  if (!extension)
-    return;
-
-  CoreAppLauncherHandler::RecordAppLaunchType(
-      extension_misc::APP_LAUNCH_BOOKMARK_BAR,
-      extension->GetType());
-}
-
-}  // namespace
-
-BookmarkBarGtk::BookmarkBarGtk(BrowserWindowGtk* window,
-                               Browser* browser,
-                               TabstripOriginProvider* tabstrip_origin_provider)
-    : page_navigator_(NULL),
-      browser_(browser),
-      window_(window),
-      tabstrip_origin_provider_(tabstrip_origin_provider),
-      model_(NULL),
-      instructions_(NULL),
-      dragged_node_(NULL),
-      drag_icon_(NULL),
-      toolbar_drop_item_(NULL),
-      theme_service_(GtkThemeService::GetFrom(browser->profile())),
-      show_instructions_(true),
-      menu_bar_helper_(this),
-      slide_animation_(this),
-      last_allocation_width_(-1),
-      throbbing_widget_(NULL),
-      bookmark_bar_state_(BookmarkBar::DETACHED),
-      max_height_(0),
-      weak_factory_(this) {
-  Init();
-  // Force an update by simulating being in the wrong state.
-  // BrowserWindowGtk sets our true state after we're created.
-  SetBookmarkBarState(BookmarkBar::SHOW,
-                      BookmarkBar::DONT_ANIMATE_STATE_CHANGE);
-
-  registrar_.Add(this, chrome::NOTIFICATION_BROWSER_THEME_CHANGED,
-                 content::Source<ThemeService>(theme_service_));
-
-  apps_shortcut_visible_.Init(
-      prefs::kShowAppsShortcutInBookmarkBar,
-      browser_->profile()->GetPrefs(),
-      base::Bind(&BookmarkBarGtk::OnAppsPageShortcutVisibilityChanged,
-                 base::Unretained(this)));
-
-  OnAppsPageShortcutVisibilityChanged();
-
-  edit_bookmarks_enabled_.Init(
-      prefs::kEditBookmarksEnabled,
-      browser_->profile()->GetPrefs(),
-      base::Bind(&BookmarkBarGtk::OnEditBookmarksEnabledChanged,
-                 base::Unretained(this)));
-
-  OnEditBookmarksEnabledChanged();
-}
-
-BookmarkBarGtk::~BookmarkBarGtk() {
-  RemoveAllButtons();
-  bookmark_toolbar_.Destroy();
-  event_box_.Destroy();
-}
-
-void BookmarkBarGtk::SetPageNavigator(PageNavigator* navigator) {
-  page_navigator_ = navigator;
-}
-
-void BookmarkBarGtk::Init() {
-  event_box_.Own(gtk_event_box_new());
-  g_signal_connect(event_box_.get(), "destroy",
-                   G_CALLBACK(&OnEventBoxDestroyThunk), this);
-  g_signal_connect(event_box_.get(), "button-press-event",
-                   G_CALLBACK(&OnButtonPressedThunk), this);
-
-  ntp_padding_box_ = gtk_alignment_new(0, 0, 1, 1);
-  gtk_container_add(GTK_CONTAINER(event_box_.get()), ntp_padding_box_);
-
-  paint_box_ = gtk_event_box_new();
-  gtk_container_add(GTK_CONTAINER(ntp_padding_box_), paint_box_);
-  GdkColor paint_box_color =
-      theme_service_->GetGdkColor(ThemeProperties::COLOR_TOOLBAR);
-  gtk_widget_modify_bg(paint_box_, GTK_STATE_NORMAL, &paint_box_color);
-  gtk_widget_add_events(paint_box_, GDK_POINTER_MOTION_MASK |
-                                    GDK_BUTTON_PRESS_MASK);
-
-  bookmark_hbox_ = gtk_hbox_new(FALSE, 0);
-  gtk_container_add(GTK_CONTAINER(paint_box_), bookmark_hbox_);
-
-  apps_shortcut_button_ = theme_service_->BuildChromeButton();
-  ConfigureAppsShortcutButton(apps_shortcut_button_, theme_service_);
-  g_signal_connect(apps_shortcut_button_, "clicked",
-                   G_CALLBACK(OnAppsButtonClickedThunk), this);
-  // Accept middle mouse clicking.
-  gtk_util::SetButtonClickableByMouseButtons(
-      apps_shortcut_button_, true, true, false);
-  gtk_box_pack_start(GTK_BOX(bookmark_hbox_), apps_shortcut_button_,
-                     FALSE, FALSE, 0);
-
-  instructions_ = gtk_alignment_new(0, 0, 1, 1);
-  gtk_alignment_set_padding(GTK_ALIGNMENT(instructions_), 0, 0,
-                            kInstructionsPadding, 0);
-  Profile* profile = browser_->profile();
-  instructions_gtk_.reset(new BookmarkBarInstructionsGtk(this, profile));
-  gtk_container_add(GTK_CONTAINER(instructions_), instructions_gtk_->widget());
-  gtk_box_pack_start(GTK_BOX(bookmark_hbox_), instructions_,
-                     TRUE, TRUE, 0);
-
-  gtk_drag_dest_set(instructions_,
-      GtkDestDefaults(GTK_DEST_DEFAULT_DROP | GTK_DEST_DEFAULT_MOTION),
-      NULL, 0, kDragAction);
-  ui::SetDestTargetList(instructions_, kDestTargetList);
-  g_signal_connect(instructions_, "drag-data-received",
-                   G_CALLBACK(&OnDragReceivedThunk), this);
-
-  g_signal_connect(event_box_.get(), "expose-event",
-                   G_CALLBACK(&OnEventBoxExposeThunk), this);
-  UpdateEventBoxPaintability();
-
-  bookmark_toolbar_.Own(gtk_toolbar_new());
-  SetToolBarStyle();
-  gtk_widget_set_name(bookmark_toolbar_.get(), "chrome-bookmark-toolbar");
-  gtk_util::SuppressDefaultPainting(bookmark_toolbar_.get());
-  g_signal_connect(bookmark_toolbar_.get(), "size-allocate",
-                   G_CALLBACK(&OnToolbarSizeAllocateThunk), this);
-  gtk_box_pack_start(GTK_BOX(bookmark_hbox_), bookmark_toolbar_.get(),
-                     TRUE, TRUE, 0);
-
-  overflow_button_ = theme_service_->BuildChromeButton();
-  g_object_set_data(G_OBJECT(overflow_button_), "left-align-popup",
-                    reinterpret_cast<void*>(true));
-  SetOverflowButtonAppearance();
-  ConnectFolderButtonEvents(overflow_button_, false);
-  gtk_box_pack_start(GTK_BOX(bookmark_hbox_), overflow_button_,
-                     FALSE, FALSE, 0);
-
-  gtk_drag_dest_set(bookmark_toolbar_.get(), GTK_DEST_DEFAULT_DROP,
-                    NULL, 0, kDragAction);
-  ui::SetDestTargetList(bookmark_toolbar_.get(), kDestTargetList);
-  g_signal_connect(bookmark_toolbar_.get(), "drag-motion",
-                   G_CALLBACK(&OnToolbarDragMotionThunk), this);
-  g_signal_connect(bookmark_toolbar_.get(), "drag-leave",
-                   G_CALLBACK(&OnDragLeaveThunk), this);
-  g_signal_connect(bookmark_toolbar_.get(), "drag-data-received",
-                   G_CALLBACK(&OnDragReceivedThunk), this);
-
-  other_bookmarks_separator_ = theme_service_->CreateToolbarSeparator();
-  gtk_box_pack_start(GTK_BOX(bookmark_hbox_), other_bookmarks_separator_,
-                     FALSE, FALSE, 0);
-
-  // We pack the button manually (rather than using gtk_button_set_*) so that
-  // we can have finer control over its label.
-  other_bookmarks_button_ = theme_service_->BuildChromeButton();
-  gtk_widget_show_all(other_bookmarks_button_);
-  ConnectFolderButtonEvents(other_bookmarks_button_, false);
-  other_padding_ = gtk_alignment_new(0, 0, 1, 1);
-  gtk_alignment_set_padding(GTK_ALIGNMENT(other_padding_),
-                            kOtherBookmarksPaddingVertical,
-                            kOtherBookmarksPaddingVertical,
-                            kOtherBookmarksPaddingHorizontal,
-                            kOtherBookmarksPaddingHorizontal);
-  gtk_container_add(GTK_CONTAINER(other_padding_), other_bookmarks_button_);
-  gtk_box_pack_start(GTK_BOX(bookmark_hbox_), other_padding_,
-                     FALSE, FALSE, 0);
-  gtk_widget_set_no_show_all(other_padding_, TRUE);
-
-  gtk_widget_set_size_request(event_box_.get(), -1, kBookmarkBarMinimumHeight);
-
-  ViewIDUtil::SetID(other_bookmarks_button_, VIEW_ID_OTHER_BOOKMARKS);
-  ViewIDUtil::SetID(widget(), VIEW_ID_BOOKMARK_BAR);
-
-  gtk_widget_show_all(widget());
-  gtk_widget_hide(widget());
-
-  AddCoreButtons();
-  // TODO(erg): Handle extensions
-  model_ = BookmarkModelFactory::GetForProfile(profile);
-  model_->AddObserver(this);
-  if (model_->loaded())
-    BookmarkModelLoaded(model_, false);
-  // else case: we'll receive notification back from the BookmarkModel when done
-  // loading, then we'll populate the bar.
-}
-
-void BookmarkBarGtk::SetBookmarkBarState(
-    BookmarkBar::State state,
-    BookmarkBar::AnimateChangeType animate_type) {
-  TRACE_EVENT0("ui::gtk", "BookmarkBarGtk::SetBookmarkBarState");
-  if (animate_type == BookmarkBar::ANIMATE_STATE_CHANGE &&
-      (state == BookmarkBar::DETACHED ||
-       bookmark_bar_state_ == BookmarkBar::DETACHED)) {
-    // TODO(estade): animate the transition between detached and non or remove
-    // detached entirely.
-    animate_type = BookmarkBar::DONT_ANIMATE_STATE_CHANGE;
-  }
-  BookmarkBar::State old_state = bookmark_bar_state_;
-  bookmark_bar_state_ = state;
-  if (state == BookmarkBar::SHOW || state == BookmarkBar::DETACHED)
-    Show(old_state, animate_type);
-  else
-    Hide(old_state, animate_type);
-}
-
-int BookmarkBarGtk::GetHeight() {
-  GtkAllocation allocation;
-  gtk_widget_get_allocation(event_box_.get(), &allocation);
-  return allocation.height - kBookmarkBarMinimumHeight;
-}
-
-bool BookmarkBarGtk::IsAnimating() {
-  return slide_animation_.is_animating();
-}
-
-void BookmarkBarGtk::CalculateMaxHeight() {
-  if (theme_service_->UsingNativeTheme()) {
-    // Get the requisition of our single child instead of the event box itself
-    // because the event box probably already has a size request.
-    GtkRequisition req;
-    gtk_widget_size_request(ntp_padding_box_, &req);
-    max_height_ = req.height;
-  } else {
-    max_height_ = (bookmark_bar_state_ == BookmarkBar::DETACHED) ?
-        chrome::kNTPBookmarkBarHeight : chrome::kBookmarkBarHeight;
-  }
-}
-
-void BookmarkBarGtk::AnimationProgressed(const gfx::Animation* animation) {
-  DCHECK_EQ(animation, &slide_animation_);
-
-  gint height =
-      static_cast<gint>(animation->GetCurrentValue() *
-                        (max_height_ - kBookmarkBarMinimumHeight)) +
-      kBookmarkBarMinimumHeight;
-  gtk_widget_set_size_request(event_box_.get(), -1, height);
-}
-
-void BookmarkBarGtk::AnimationEnded(const gfx::Animation* animation) {
-  DCHECK_EQ(animation, &slide_animation_);
-
-  if (!slide_animation_.IsShowing()) {
-    gtk_widget_hide(bookmark_hbox_);
-
-    // We can be windowless during unit tests.
-    if (window_) {
-      // Because of our constant resizing and our toolbar/bookmark bar overlap
-      // shenanigans, gtk+ gets confused, partially draws parts of the bookmark
-      // bar into the toolbar and than doesn't queue a redraw to fix it. So do
-      // it manually by telling the toolbar area to redraw itself.
-      window_->QueueToolbarRedraw();
-    }
-  }
-}
-
-// MenuBarHelper::Delegate implementation --------------------------------------
-void BookmarkBarGtk::PopupForButton(GtkWidget* button) {
-  const BookmarkNode* node = GetNodeForToolButton(button);
-  DCHECK(node);
-  DCHECK(page_navigator_);
-
-  int first_hidden = GetFirstHiddenBookmark(0, NULL);
-  if (first_hidden == -1) {
-    // No overflow exists: don't show anything for the overflow button.
-    if (button == overflow_button_)
-      return;
-  } else {
-    // Overflow exists: don't show anything for an overflowed folder button.
-    if (button != overflow_button_ && button != other_bookmarks_button_ &&
-        node->parent()->GetIndexOf(node) >= first_hidden) {
-      return;
-    }
-  }
-
-  current_menu_.reset(
-      new BookmarkMenuController(browser_, page_navigator_,
-          GTK_WINDOW(gtk_widget_get_toplevel(button)),
-          node,
-          button == overflow_button_ ? first_hidden : 0));
-  menu_bar_helper_.MenuStartedShowing(button, current_menu_->widget());
-  GdkEvent* event = gtk_get_current_event();
-  current_menu_->Popup(button, event->button.button, event->button.time);
-  gdk_event_free(event);
-}
-
-void BookmarkBarGtk::PopupForButtonNextTo(GtkWidget* button,
-                                          GtkMenuDirectionType dir) {
-  const BookmarkNode* relative_node = GetNodeForToolButton(button);
-  DCHECK(relative_node);
-
-  // Find out the order of the buttons.
-  std::vector<GtkWidget*> folder_list;
-  const int first_hidden = GetFirstHiddenBookmark(0, &folder_list);
-  if (first_hidden != -1)
-    folder_list.push_back(overflow_button_);
-
-  if (!model_->other_node()->empty())
-    folder_list.push_back(other_bookmarks_button_);
-
-  // Find the position of |button|.
-  int button_idx = -1;
-  for (size_t i = 0; i < folder_list.size(); ++i) {
-    if (folder_list[i] == button) {
-      button_idx = i;
-      break;
-    }
-  }
-  DCHECK_NE(button_idx, -1);
-
-  // Find the GtkWidget* for the actual target button.
-  int shift = dir == GTK_MENU_DIR_PARENT ? -1 : 1;
-  button_idx = (button_idx + shift + folder_list.size()) % folder_list.size();
-  PopupForButton(folder_list[button_idx]);
-}
-
-void BookmarkBarGtk::CloseMenu() {
-  current_context_menu_->Cancel();
-}
-
-void BookmarkBarGtk::Show(BookmarkBar::State old_state,
-                          BookmarkBar::AnimateChangeType animate_type) {
-  gtk_widget_show_all(widget());
-  UpdateDetachedState(old_state);
-  CalculateMaxHeight();
-  if (animate_type == BookmarkBar::ANIMATE_STATE_CHANGE) {
-    slide_animation_.Show();
-  } else {
-    slide_animation_.Reset(1);
-    AnimationProgressed(&slide_animation_);
-  }
-
-  if (model_ && model_->loaded())
-    UpdateOtherBookmarksVisibility();
-
-  // Hide out behind the findbar. This is rather fragile code, it could
-  // probably be improved.
-  if (bookmark_bar_state_ == BookmarkBar::DETACHED) {
-    if (theme_service_->UsingNativeTheme()) {
-      GtkWidget* parent = gtk_widget_get_parent(event_box_.get());
-      if (gtk_widget_get_realized(parent))
-        gdk_window_lower(gtk_widget_get_window(parent));
-      if (gtk_widget_get_realized(event_box_.get()))
-        gdk_window_lower(gtk_widget_get_window(event_box_.get()));
-    } else {  // Chromium theme mode.
-      if (gtk_widget_get_realized(paint_box_)) {
-        gdk_window_lower(gtk_widget_get_window(paint_box_));
-        // The event box won't stay below its children's GdkWindows unless we
-        // toggle the above-child property here. If the event box doesn't stay
-        // below its children then events will be routed to it rather than the
-        // children.
-        gtk_event_box_set_above_child(GTK_EVENT_BOX(event_box_.get()), TRUE);
-        gtk_event_box_set_above_child(GTK_EVENT_BOX(event_box_.get()), FALSE);
-      }
-    }
-  }
-
-  // Maybe show the instructions
-  gtk_widget_set_visible(bookmark_toolbar_.get(), !show_instructions_);
-  gtk_widget_set_visible(instructions_, show_instructions_);
-
-  SetChevronState();
-}
-
-void BookmarkBarGtk::Hide(BookmarkBar::State old_state,
-                          BookmarkBar::AnimateChangeType animate_type) {
-  UpdateDetachedState(old_state);
-
-  // After coming out of fullscreen, the browser window sets the bookmark bar
-  // to the "hidden" state, which means we need to show our minimum height.
-  if (!window_->IsFullscreen())
-    gtk_widget_show(widget());
-  CalculateMaxHeight();
-  // Sometimes we get called without a matching call to open. If that happens
-  // then force hide.
-  if (slide_animation_.IsShowing() &&
-      animate_type == BookmarkBar::ANIMATE_STATE_CHANGE) {
-    slide_animation_.Hide();
-  } else {
-    gtk_widget_hide(bookmark_hbox_);
-    slide_animation_.Reset(0);
-    AnimationProgressed(&slide_animation_);
-  }
-}
-
-void BookmarkBarGtk::SetInstructionState() {
-  if (model_)
-    show_instructions_ = model_->bookmark_bar_node()->empty();
-
-  gtk_widget_set_visible(bookmark_toolbar_.get(), !show_instructions_);
-  gtk_widget_set_visible(instructions_, show_instructions_);
-}
-
-void BookmarkBarGtk::SetChevronState() {
-  if (!gtk_widget_get_visible(bookmark_hbox_))
-    return;
-
-  if (show_instructions_) {
-    gtk_widget_hide(overflow_button_);
-    return;
-  }
-
-  int extra_space = 0;
-  if (gtk_widget_get_visible(overflow_button_)) {
-    GtkAllocation allocation;
-    gtk_widget_get_allocation(overflow_button_, &allocation);
-    extra_space = allocation.width;
-  }
-
-  int overflow_idx = GetFirstHiddenBookmark(extra_space, NULL);
-  if (overflow_idx == -1)
-    gtk_widget_hide(overflow_button_);
-  else
-    gtk_widget_show_all(overflow_button_);
-}
-
-void BookmarkBarGtk::UpdateOtherBookmarksVisibility() {
-  bool has_other_children = !model_->other_node()->empty();
-
-  gtk_widget_set_visible(other_padding_, has_other_children);
-  gtk_widget_set_visible(other_bookmarks_separator_, has_other_children);
-}
-
-void BookmarkBarGtk::RemoveAllButtons() {
-  gtk_util::RemoveAllChildren(bookmark_toolbar_.get());
-  menu_bar_helper_.Clear();
-}
-
-void BookmarkBarGtk::AddCoreButtons() {
-  menu_bar_helper_.Add(other_bookmarks_button_);
-  menu_bar_helper_.Add(overflow_button_);
-}
-
-void BookmarkBarGtk::ResetButtons() {
-  RemoveAllButtons();
-  AddCoreButtons();
-
-  const BookmarkNode* bar = model_->bookmark_bar_node();
-  DCHECK(bar && model_->other_node());
-
-  // Create a button for each of the children on the bookmark bar.
-  for (int i = 0; i < bar->child_count(); ++i) {
-    const BookmarkNode* node = bar->GetChild(i);
-    GtkToolItem* item = CreateBookmarkToolItem(node);
-    gtk_toolbar_insert(GTK_TOOLBAR(bookmark_toolbar_.get()), item, -1);
-    if (node->is_folder())
-      menu_bar_helper_.Add(gtk_bin_get_child(GTK_BIN(item)));
-  }
-
-  ConfigureButtonForNode(
-      model_->other_node(), model_, other_bookmarks_button_, theme_service_);
-
-  SetInstructionState();
-  SetChevronState();
-}
-
-int BookmarkBarGtk::GetBookmarkButtonCount() {
-  GList* children = gtk_container_get_children(
-      GTK_CONTAINER(bookmark_toolbar_.get()));
-  int count = g_list_length(children);
-  g_list_free(children);
-  return count;
-}
-
-BookmarkLaunchLocation BookmarkBarGtk::GetBookmarkLaunchLocation() const {
-  return bookmark_bar_state_ == BookmarkBar::DETACHED ?
-      BOOKMARK_LAUNCH_LOCATION_DETACHED_BAR :
-      BOOKMARK_LAUNCH_LOCATION_ATTACHED_BAR;
-}
-
-void BookmarkBarGtk::SetOverflowButtonAppearance() {
-  GtkWidget* former_child = gtk_bin_get_child(GTK_BIN(overflow_button_));
-  if (former_child)
-    gtk_widget_destroy(former_child);
-
-  GtkWidget* new_child;
-  if (theme_service_->UsingNativeTheme()) {
-    new_child = gtk_arrow_new(GTK_ARROW_DOWN, GTK_SHADOW_NONE);
-  } else {
-    const gfx::Image& image = ui::ResourceBundle::GetSharedInstance().
-        GetNativeImageNamed(IDR_BOOKMARK_BAR_CHEVRONS,
-                            ui::ResourceBundle::RTL_ENABLED);
-    new_child = gtk_image_new_from_pixbuf(image.ToGdkPixbuf());
-  }
-
-  gtk_container_add(GTK_CONTAINER(overflow_button_), new_child);
-  SetChevronState();
-}
-
-int BookmarkBarGtk::GetFirstHiddenBookmark(int extra_space,
-    std::vector<GtkWidget*>* showing_folders) {
-  int rv = 0;
-  // We're going to keep track of how much width we've used as we move along
-  // the bookmark bar. If we ever surpass the width of the bookmark bar, we'll
-  // know that's the first hidden bookmark.
-  int width_used = 0;
-  // GTK appears to require one pixel of padding to the side of the first and
-  // last buttons on the bar.
-  // TODO(gideonwald): figure out the precise source of these extra two pixels
-  // and make this calculation more reliable.
-  GtkAllocation allocation;
-  gtk_widget_get_allocation(bookmark_toolbar_.get(), &allocation);
-  int total_width = allocation.width - 2;
-  bool overflow = false;
-  GtkRequisition requested_size_;
-  GList* toolbar_items =
-      gtk_container_get_children(GTK_CONTAINER(bookmark_toolbar_.get()));
-  for (GList* iter = toolbar_items; iter; iter = g_list_next(iter)) {
-    GtkWidget* tool_item = reinterpret_cast<GtkWidget*>(iter->data);
-    gtk_widget_size_request(tool_item, &requested_size_);
-    width_used += requested_size_.width;
-    // |extra_space| is available if we can remove the chevron, which happens
-    // only if there are no more potential overflow bookmarks after this one.
-    overflow = width_used > total_width + (g_list_next(iter) ? 0 : extra_space);
-    if (overflow)
-      break;
-
-    if (showing_folders &&
-        model_->bookmark_bar_node()->GetChild(rv)->is_folder()) {
-      showing_folders->push_back(gtk_bin_get_child(GTK_BIN(tool_item)));
-    }
-    rv++;
-  }
-
-  g_list_free(toolbar_items);
-
-  if (!overflow)
-    return -1;
-
-  return rv;
-}
-
-void BookmarkBarGtk::UpdateDetachedState(BookmarkBar::State old_state) {
-  bool old_detached = old_state == BookmarkBar::DETACHED;
-  bool detached = bookmark_bar_state_ == BookmarkBar::DETACHED;
-  if (detached == old_detached)
-    return;
-
-  if (detached) {
-    gtk_event_box_set_visible_window(GTK_EVENT_BOX(paint_box_), TRUE);
-    GdkColor stroke_color = theme_service_->UsingNativeTheme() ?
-        theme_service_->GetBorderColor() :
-        theme_service_->GetGdkColor(ThemeProperties::COLOR_NTP_HEADER);
-    gtk_util::ActAsRoundedWindow(paint_box_, stroke_color, kNTPRoundedness,
-                                 gtk_util::ROUNDED_ALL, gtk_util::BORDER_ALL);
-
-    gtk_alignment_set_padding(GTK_ALIGNMENT(ntp_padding_box_),
-        kTopBottomNTPPadding, kTopBottomNTPPadding,
-        kLeftRightNTPPadding, kLeftRightNTPPadding);
-    gtk_container_set_border_width(GTK_CONTAINER(bookmark_hbox_), kNTPPadding);
-  } else {
-    gtk_util::StopActingAsRoundedWindow(paint_box_);
-    gtk_event_box_set_visible_window(GTK_EVENT_BOX(paint_box_), FALSE);
-    gtk_alignment_set_padding(GTK_ALIGNMENT(ntp_padding_box_), 0, 0, 0, 0);
-    gtk_container_set_border_width(GTK_CONTAINER(bookmark_hbox_), 0);
-  }
-
-  UpdateEventBoxPaintability();
-  // |window_| can be NULL during testing.
-  // Listen for parent size allocations. Only connect once.
-  if (window_ && detached) {
-    GtkWidget* parent = gtk_widget_get_parent(widget());
-    if (parent &&
-        g_signal_handler_find(parent, G_SIGNAL_MATCH_FUNC,
-            0, 0, NULL, reinterpret_cast<gpointer>(OnParentSizeAllocateThunk),
-            NULL) == 0) {
-      g_signal_connect(parent, "size-allocate",
-                       G_CALLBACK(OnParentSizeAllocateThunk), this);
-    }
-  }
-}
-
-void BookmarkBarGtk::UpdateEventBoxPaintability() {
-  gtk_widget_set_app_paintable(
-      event_box_.get(),
-      (!theme_service_->UsingNativeTheme() ||
-       bookmark_bar_state_ == BookmarkBar::DETACHED));
-  // When using the GTK+ theme, we need to have the event box be visible so
-  // buttons don't get a halo color from the background.  When using Chromium
-  // themes, we want to let the background show through the toolbar.
-
-  gtk_event_box_set_visible_window(GTK_EVENT_BOX(event_box_.get()),
-                                   theme_service_->UsingNativeTheme());
-}
-
-void BookmarkBarGtk::PaintEventBox() {
-  gfx::Size web_contents_size;
-  if (GetWebContentsSize(&web_contents_size) &&
-      web_contents_size != last_web_contents_size_) {
-    last_web_contents_size_ = web_contents_size;
-    gtk_widget_queue_draw(event_box_.get());
-  }
-}
-
-bool BookmarkBarGtk::GetWebContentsSize(gfx::Size* size) {
-  Browser* browser = browser_;
-  if (!browser) {
-    NOTREACHED();
-    return false;
-  }
-  WebContents* web_contents =
-      browser->tab_strip_model()->GetActiveWebContents();
-  if (!web_contents) {
-    // It is possible to have a browser but no WebContents while under testing,
-    // so don't NOTREACHED() and error the program.
-    return false;
-  }
-  if (!web_contents->GetView()) {
-    NOTREACHED();
-    return false;
-  }
-  *size = web_contents->GetView()->GetContainerSize();
-  return true;
-}
-
-void BookmarkBarGtk::StartThrobbingAfterAllocation(GtkWidget* item) {
-  g_signal_connect_after(
-      item, "size-allocate", G_CALLBACK(OnItemAllocateThunk), this);
-}
-
-void BookmarkBarGtk::OnItemAllocate(GtkWidget* item,
-                                    GtkAllocation* allocation) {
-  // We only want to fire on the item's first allocation.
-  g_signal_handlers_disconnect_by_func(
-      item, reinterpret_cast<gpointer>(&OnItemAllocateThunk), this);
-
-  GtkWidget* button = gtk_bin_get_child(GTK_BIN(item));
-  const BookmarkNode* node = GetNodeForToolButton(button);
-  if (node)
-    StartThrobbing(node);
-}
-
-void BookmarkBarGtk::StartThrobbing(const BookmarkNode* node) {
-  const BookmarkNode* parent_on_bb = NULL;
-  for (const BookmarkNode* parent = node; parent;
-       parent = parent->parent()) {
-    if (parent->parent() == model_->bookmark_bar_node()) {
-      parent_on_bb = parent;
-      break;
-    }
-  }
-
-  GtkWidget* widget_to_throb = NULL;
-
-  if (!parent_on_bb) {
-    // Descendant of "Other Bookmarks".
-    widget_to_throb = other_bookmarks_button_;
-  } else {
-    int hidden = GetFirstHiddenBookmark(0, NULL);
-    int idx = model_->bookmark_bar_node()->GetIndexOf(parent_on_bb);
-
-    if (hidden >= 0 && hidden <= idx) {
-      widget_to_throb = overflow_button_;
-    } else {
-      widget_to_throb = gtk_bin_get_child(GTK_BIN(gtk_toolbar_get_nth_item(
-          GTK_TOOLBAR(bookmark_toolbar_.get()), idx)));
-    }
-  }
-
-  SetThrobbingWidget(widget_to_throb);
-}
-
-void BookmarkBarGtk::SetThrobbingWidget(GtkWidget* widget) {
-  if (throbbing_widget_) {
-    HoverControllerGtk* hover_controller =
-        HoverControllerGtk::GetHoverControllerGtk(throbbing_widget_);
-    if (hover_controller)
-      hover_controller->StartThrobbing(0);
-
-    g_signal_handlers_disconnect_by_func(
-        throbbing_widget_,
-        reinterpret_cast<gpointer>(OnThrobbingWidgetDestroyThunk),
-        this);
-    g_object_unref(throbbing_widget_);
-    throbbing_widget_ = NULL;
-  }
-
-  if (widget) {
-    throbbing_widget_ = widget;
-    g_object_ref(throbbing_widget_);
-    g_signal_connect(throbbing_widget_, "destroy",
-                     G_CALLBACK(OnThrobbingWidgetDestroyThunk), this);
-
-    HoverControllerGtk* hover_controller =
-        HoverControllerGtk::GetHoverControllerGtk(throbbing_widget_);
-    if (hover_controller)
-      hover_controller->StartThrobbing(4);
-  }
-}
-
-gboolean BookmarkBarGtk::ItemDraggedOverToolbar(GdkDragContext* context,
-                                                int index,
-                                                guint time) {
-  if (!edit_bookmarks_enabled_.GetValue())
-    return FALSE;
-  GdkAtom target_type =
-      gtk_drag_dest_find_target(bookmark_toolbar_.get(), context, NULL);
-  if (target_type == GDK_NONE) {
-    // We shouldn't act like a drop target when something that we can't deal
-    // with is dragged over the toolbar.
-    return FALSE;
-  }
-
-  if (!toolbar_drop_item_) {
-    if (dragged_node_) {
-      toolbar_drop_item_ = CreateBookmarkToolItem(dragged_node_);
-      g_object_ref_sink(GTK_OBJECT(toolbar_drop_item_));
-    } else {
-      // Create a fake item the size of other_node().
-      //
-      // TODO(erg): Maybe somehow figure out the real size for the drop target?
-      toolbar_drop_item_ =
-          CreateBookmarkToolItem(model_->other_node());
-      g_object_ref_sink(GTK_OBJECT(toolbar_drop_item_));
-    }
-  }
-
-  gtk_toolbar_set_drop_highlight_item(GTK_TOOLBAR(bookmark_toolbar_.get()),
-                                      GTK_TOOL_ITEM(toolbar_drop_item_),
-                                      index);
-  if (target_type == ui::GetAtomForTarget(ui::CHROME_BOOKMARK_ITEM)) {
-    gdk_drag_status(context, GDK_ACTION_MOVE, time);
-  } else {
-    gdk_drag_status(context, GDK_ACTION_COPY, time);
-  }
-
-  return TRUE;
-}
-
-int BookmarkBarGtk::GetToolbarIndexForDragOverFolder(GtkWidget* button,
-                                                     gint x) {
-  GtkAllocation allocation;
-  gtk_widget_get_allocation(button, &allocation);
-
-  int margin = std::min(15, static_cast<int>(0.3 * allocation.width));
-  if (x > margin && x < (allocation.width - margin))
-    return -1;
-
-  GtkWidget* parent = gtk_widget_get_parent(button);
-  gint index = gtk_toolbar_get_item_index(GTK_TOOLBAR(bookmark_toolbar_.get()),
-                                          GTK_TOOL_ITEM(parent));
-  if (x > margin)
-    index++;
-  return index;
-}
-
-void BookmarkBarGtk::ClearToolbarDropHighlighting() {
-  if (toolbar_drop_item_) {
-    g_object_unref(toolbar_drop_item_);
-    toolbar_drop_item_ = NULL;
-  }
-
-  gtk_toolbar_set_drop_highlight_item(GTK_TOOLBAR(bookmark_toolbar_.get()),
-                                      NULL, 0);
-}
-
-void BookmarkBarGtk::BookmarkModelLoaded(BookmarkModel* model,
-                                         bool ids_reassigned) {
-  // If |instructions_| has been nulled, we are in the middle of browser
-  // shutdown. Do nothing.
-  if (!instructions_)
-    return;
-
-  UpdateOtherBookmarksVisibility();
-  ResetButtons();
-}
-
-void BookmarkBarGtk::BookmarkModelBeingDeleted(BookmarkModel* model) {
-  // The bookmark model should never be deleted before us. This code exists
-  // to check for regressions in shutdown code and not crash.
-  NOTREACHED();
-
-  // Do minimal cleanup, presumably we'll be deleted shortly.
-  model_->RemoveObserver(this);
-  model_ = NULL;
-}
-
-void BookmarkBarGtk::BookmarkNodeMoved(BookmarkModel* model,
-                                       const BookmarkNode* old_parent,
-                                       int old_index,
-                                       const BookmarkNode* new_parent,
-                                       int new_index) {
-  const BookmarkNode* node = new_parent->GetChild(new_index);
-  BookmarkNodeRemoved(model, old_parent, old_index, node);
-  BookmarkNodeAdded(model, new_parent, new_index);
-}
-
-void BookmarkBarGtk::BookmarkNodeAdded(BookmarkModel* model,
-                                       const BookmarkNode* parent,
-                                       int index) {
-  UpdateOtherBookmarksVisibility();
-
-  const BookmarkNode* node = parent->GetChild(index);
-  if (parent != model_->bookmark_bar_node()) {
-    StartThrobbing(node);
-    return;
-  }
-  DCHECK(index >= 0 && index <= GetBookmarkButtonCount());
-
-  GtkToolItem* item = CreateBookmarkToolItem(node);
-  gtk_toolbar_insert(GTK_TOOLBAR(bookmark_toolbar_.get()),
-                     item, index);
-  if (node->is_folder())
-    menu_bar_helper_.Add(gtk_bin_get_child(GTK_BIN(item)));
-
-  SetInstructionState();
-  SetChevronState();
-
-  StartThrobbingAfterAllocation(GTK_WIDGET(item));
-}
-
-void BookmarkBarGtk::BookmarkNodeRemoved(BookmarkModel* model,
-                                         const BookmarkNode* parent,
-                                         int old_index,
-                                         const BookmarkNode* node) {
-  UpdateOtherBookmarksVisibility();
-
-  if (parent != model_->bookmark_bar_node()) {
-    // We only care about nodes on the bookmark bar.
-    return;
-  }
-  DCHECK(old_index >= 0 && old_index < GetBookmarkButtonCount());
-
-  GtkWidget* to_remove = GTK_WIDGET(gtk_toolbar_get_nth_item(
-      GTK_TOOLBAR(bookmark_toolbar_.get()), old_index));
-  if (node->is_folder())
-    menu_bar_helper_.Remove(gtk_bin_get_child(GTK_BIN(to_remove)));
-  gtk_container_remove(GTK_CONTAINER(bookmark_toolbar_.get()),
-                       to_remove);
-
-  SetInstructionState();
-  SetChevronState();
-}
-
-void BookmarkBarGtk::BookmarkAllNodesRemoved(BookmarkModel* model) {
-  UpdateOtherBookmarksVisibility();
-  ResetButtons();
-}
-
-void BookmarkBarGtk::BookmarkNodeChanged(BookmarkModel* model,
-                                         const BookmarkNode* node) {
-  if (node->parent() != model_->bookmark_bar_node()) {
-    // We only care about nodes on the bookmark bar.
-    return;
-  }
-  int index = model_->bookmark_bar_node()->GetIndexOf(node);
-  DCHECK(index != -1);
-
-  GtkToolItem* item = gtk_toolbar_get_nth_item(
-      GTK_TOOLBAR(bookmark_toolbar_.get()), index);
-  GtkWidget* button = gtk_bin_get_child(GTK_BIN(item));
-  ConfigureButtonForNode(node, model, button, theme_service_);
-  SetChevronState();
-}
-
-void BookmarkBarGtk::BookmarkNodeFaviconChanged(BookmarkModel* model,
-                                                const BookmarkNode* node) {
-  BookmarkNodeChanged(model, node);
-}
-
-void BookmarkBarGtk::BookmarkNodeChildrenReordered(BookmarkModel* model,
-                                                   const BookmarkNode* node) {
-  if (node != model_->bookmark_bar_node())
-    return;  // We only care about reordering of the bookmark bar node.
-
-  ResetButtons();
-}
-
-void BookmarkBarGtk::Observe(int type,
-                             const content::NotificationSource& source,
-                             const content::NotificationDetails& details) {
-  if (type == chrome::NOTIFICATION_BROWSER_THEME_CHANGED) {
-    if (model_ && model_->loaded()) {
-      // Regenerate the bookmark bar with all new objects with their theme
-      // properties set correctly for the new theme.
-      ResetButtons();
-    }
-
-    // Resize the bookmark bar since the target height may have changed.
-    CalculateMaxHeight();
-    AnimationProgressed(&slide_animation_);
-
-    UpdateEventBoxPaintability();
-
-    GdkColor paint_box_color =
-        theme_service_->GetGdkColor(ThemeProperties::COLOR_TOOLBAR);
-    gtk_widget_modify_bg(paint_box_, GTK_STATE_NORMAL, &paint_box_color);
-
-    if (bookmark_bar_state_ == BookmarkBar::DETACHED) {
-      GdkColor stroke_color = theme_service_->UsingNativeTheme() ?
-          theme_service_->GetBorderColor() :
-          theme_service_->GetGdkColor(ThemeProperties::COLOR_NTP_HEADER);
-      gtk_util::SetRoundedWindowBorderColor(paint_box_, stroke_color);
-    }
-
-    SetOverflowButtonAppearance();
-  }
-}
-
-GtkWidget* BookmarkBarGtk::CreateBookmarkButton(const BookmarkNode* node) {
-  GtkWidget* button = theme_service_->BuildChromeButton();
-  ConfigureButtonForNode(node, model_, button, theme_service_);
-
-  // The tool item is also a source for dragging
-  gtk_drag_source_set(button, GDK_BUTTON1_MASK, NULL, 0,
-      static_cast<GdkDragAction>(GDK_ACTION_MOVE | GDK_ACTION_COPY));
-  int target_mask = GetCodeMask(node->is_folder());
-  ui::SetSourceTargetListFromCodeMask(button, target_mask);
-  g_signal_connect(button, "drag-begin",
-                   G_CALLBACK(&OnButtonDragBeginThunk), this);
-  g_signal_connect(button, "drag-end",
-                   G_CALLBACK(&OnButtonDragEndThunk), this);
-  g_signal_connect(button, "drag-data-get",
-                   G_CALLBACK(&OnButtonDragGetThunk), this);
-  // We deliberately don't connect to "drag-data-delete" because the action of
-  // moving a button will regenerate all the contents of the bookmarks bar
-  // anyway.
-
-  if (node->is_url()) {
-    // Connect to 'button-release-event' instead of 'clicked' because we need
-    // access to the modifier keys and we do different things on each
-    // button.
-    g_signal_connect(button, "button-press-event",
-                     G_CALLBACK(OnButtonPressedThunk), this);
-    g_signal_connect(button, "clicked",
-                     G_CALLBACK(OnClickedThunk), this);
-    gtk_util::SetButtonTriggersNavigation(button);
-  } else {
-    ConnectFolderButtonEvents(button, true);
-  }
-
-  return button;
-}
-
-GtkToolItem* BookmarkBarGtk::CreateBookmarkToolItem(const BookmarkNode* node) {
-  GtkWidget* button = CreateBookmarkButton(node);
-  g_object_set_data(G_OBJECT(button), "left-align-popup",
-                    reinterpret_cast<void*>(true));
-
-  GtkToolItem* item = gtk_tool_item_new();
-  gtk_container_add(GTK_CONTAINER(item), button);
-  gtk_widget_show_all(GTK_WIDGET(item));
-
-  return item;
-}
-
-void BookmarkBarGtk::ConnectFolderButtonEvents(GtkWidget* widget,
-                                               bool is_tool_item) {
-  // For toolbar items (i.e. not the overflow button or other bookmarks
-  // button), we handle motion and highlighting manually.
-  gtk_drag_dest_set(widget,
-                    is_tool_item ? GTK_DEST_DEFAULT_DROP :
-                                   GTK_DEST_DEFAULT_ALL,
-                    NULL,
-                    0,
-                    kDragAction);
-  ui::SetDestTargetList(widget, kDestTargetList);
-  g_signal_connect(widget, "drag-data-received",
-                   G_CALLBACK(&OnDragReceivedThunk), this);
-  if (is_tool_item) {
-    g_signal_connect(widget, "drag-motion",
-                     G_CALLBACK(&OnFolderDragMotionThunk), this);
-    g_signal_connect(widget, "drag-leave",
-                     G_CALLBACK(&OnDragLeaveThunk), this);
-  }
-
-  g_signal_connect(widget, "button-press-event",
-                   G_CALLBACK(OnButtonPressedThunk), this);
-  g_signal_connect(widget, "clicked",
-                   G_CALLBACK(OnFolderClickedThunk), this);
-
-  // Accept middle mouse clicking (which opens all). This must be called after
-  // connecting to "button-press-event" because the handler it attaches stops
-  // the propagation of that signal.
-  gtk_util::SetButtonClickableByMouseButtons(widget, true, true, false);
-}
-
-const BookmarkNode* BookmarkBarGtk::GetNodeForToolButton(GtkWidget* widget) {
-  // First check to see if |button| is special cased.
-  if (widget == other_bookmarks_button_)
-    return model_->other_node();
-  else if (widget == event_box_.get() || widget == overflow_button_)
-    return model_->bookmark_bar_node();
-
-  // Search the contents of |bookmark_toolbar_| for the corresponding widget
-  // and find its index.
-  GtkWidget* item_to_find = gtk_widget_get_parent(widget);
-  int index_to_use = -1;
-  int index = 0;
-  GList* children = gtk_container_get_children(
-      GTK_CONTAINER(bookmark_toolbar_.get()));
-  for (GList* item = children; item; item = item->next, index++) {
-    if (item->data == item_to_find) {
-      index_to_use = index;
-      break;
-    }
-  }
-  g_list_free(children);
-
-  if (index_to_use != -1)
-    return model_->bookmark_bar_node()->GetChild(index_to_use);
-
-  return NULL;
-}
-
-void BookmarkBarGtk::PopupMenuForNode(GtkWidget* sender,
-                                      const BookmarkNode* node,
-                                      GdkEventButton* event) {
-  if (!model_->loaded()) {
-    // Don't do anything if the model isn't loaded.
-    return;
-  }
-
-  const BookmarkNode* parent = NULL;
-  std::vector<const BookmarkNode*> nodes;
-  if (sender == other_bookmarks_button_) {
-    nodes.push_back(node);
-    parent = model_->bookmark_bar_node();
-  } else if (sender != bookmark_toolbar_.get()) {
-    nodes.push_back(node);
-    parent = node->parent();
-  } else {
-    parent = model_->bookmark_bar_node();
-    nodes.push_back(parent);
-  }
-
-  GtkWindow* window = GTK_WINDOW(gtk_widget_get_toplevel(sender));
-  current_context_menu_controller_.reset(
-      new BookmarkContextMenuController(
-          window, this, browser_, browser_->profile(), page_navigator_, parent,
-          nodes));
-  current_context_menu_.reset(
-      new MenuGtk(NULL, current_context_menu_controller_->menu_model()));
-  current_context_menu_->PopupAsContext(
-      gfx::Point(event->x_root, event->y_root),
-      event->time);
-}
-
-gboolean BookmarkBarGtk::OnButtonPressed(GtkWidget* sender,
-                                         GdkEventButton* event) {
-  last_pressed_coordinates_ = gfx::Point(event->x, event->y);
-
-  if (event->button == 3 && gtk_widget_get_visible(bookmark_hbox_)) {
-    const BookmarkNode* node = GetNodeForToolButton(sender);
-    DCHECK(node);
-    DCHECK(page_navigator_);
-    PopupMenuForNode(sender, node, event);
-  }
-
-  return FALSE;
-}
-
-void BookmarkBarGtk::OnClicked(GtkWidget* sender) {
-  const BookmarkNode* node = GetNodeForToolButton(sender);
-  DCHECK(node);
-  DCHECK(node->is_url());
-  DCHECK(page_navigator_);
-
-  RecordAppLaunch(browser_->profile(), node->url());
-  chrome::OpenAll(window_->GetNativeWindow(), page_navigator_, node,
-                  event_utils::DispositionForCurrentButtonPressEvent(),
-                  browser_->profile());
-
-  RecordBookmarkLaunch(node, GetBookmarkLaunchLocation());
-}
-
-void BookmarkBarGtk::OnButtonDragBegin(GtkWidget* button,
-                                       GdkDragContext* drag_context) {
-  GtkWidget* button_parent = gtk_widget_get_parent(button);
-
-  // The parent tool item might be removed during the drag. Ref it so |button|
-  // won't get destroyed.
-  g_object_ref(button_parent);
-
-  const BookmarkNode* node = GetNodeForToolButton(button);
-  DCHECK(!dragged_node_);
-  dragged_node_ = node;
-  DCHECK(dragged_node_);
-
-  drag_icon_ = GetDragRepresentationForNode(node, model_, theme_service_);
-
-  // We have to jump through some hoops to get the drag icon to line up because
-  // it is a different size than the button.
-  GtkRequisition req;
-  gtk_widget_size_request(drag_icon_, &req);
-  gfx::Rect button_rect = gtk_util::WidgetBounds(button);
-  gfx::Point drag_icon_relative =
-      gfx::Rect(req.width, req.height).CenterPoint() +
-      (last_pressed_coordinates_ - button_rect.CenterPoint());
-  gtk_drag_set_icon_widget(drag_context, drag_icon_,
-                           drag_icon_relative.x(),
-                           drag_icon_relative.y());
-
-  // Hide our node, but reserve space for it on the toolbar.
-  int index = gtk_toolbar_get_item_index(GTK_TOOLBAR(bookmark_toolbar_.get()),
-                                         GTK_TOOL_ITEM(button_parent));
-  gtk_widget_hide(button);
-  toolbar_drop_item_ = CreateBookmarkToolItem(dragged_node_);
-  g_object_ref_sink(GTK_OBJECT(toolbar_drop_item_));
-  gtk_toolbar_set_drop_highlight_item(GTK_TOOLBAR(bookmark_toolbar_.get()),
-                                      GTK_TOOL_ITEM(toolbar_drop_item_), index);
-  // Make sure it stays hidden for the duration of the drag.
-  gtk_widget_set_no_show_all(button, TRUE);
-}
-
-void BookmarkBarGtk::OnButtonDragEnd(GtkWidget* button,
-                                     GdkDragContext* drag_context) {
-  gtk_widget_show(button);
-  gtk_widget_set_no_show_all(button, FALSE);
-
-  ClearToolbarDropHighlighting();
-
-  DCHECK(dragged_node_);
-  dragged_node_ = NULL;
-
-  DCHECK(drag_icon_);
-  gtk_widget_destroy(drag_icon_);
-  drag_icon_ = NULL;
-
-  g_object_unref(gtk_widget_get_parent(button));
-}
-
-void BookmarkBarGtk::OnButtonDragGet(GtkWidget* widget,
-                                     GdkDragContext* context,
-                                     GtkSelectionData* selection_data,
-                                     guint target_type,
-                                     guint time) {
-  const BookmarkNode* node = BookmarkNodeForWidget(widget);
-  WriteBookmarkToSelection(
-      node, selection_data, target_type, browser_->profile());
-}
-
-void BookmarkBarGtk::OnAppsButtonClicked(GtkWidget* sender) {
-  content::OpenURLParams params(
-      GURL(chrome::kChromeUIAppsURL),
-      content::Referrer(),
-      event_utils::DispositionForCurrentButtonPressEvent(),
-      content::PAGE_TRANSITION_AUTO_BOOKMARK,
-      false);
-  browser_->OpenURL(params);
-  RecordBookmarkAppsPageOpen(GetBookmarkLaunchLocation());
-}
-
-void BookmarkBarGtk::OnFolderClicked(GtkWidget* sender) {
-  // Stop its throbbing, if any.
-  HoverControllerGtk* hover_controller =
-      HoverControllerGtk::GetHoverControllerGtk(sender);
-  if (hover_controller)
-    hover_controller->StartThrobbing(0);
-
-  GdkEvent* event = gtk_get_current_event();
-  if (event->button.button == 1 ||
-      (event->button.button == 2 && sender == overflow_button_)) {
-    RecordBookmarkFolderOpen(GetBookmarkLaunchLocation());
-    PopupForButton(sender);
-  } else if (event->button.button == 2) {
-    const BookmarkNode* node = GetNodeForToolButton(sender);
-    chrome::OpenAll(window_->GetNativeWindow(), page_navigator_, node,
-                    NEW_BACKGROUND_TAB, browser_->profile());
-  }
-  gdk_event_free(event);
-}
-
-gboolean BookmarkBarGtk::OnToolbarDragMotion(GtkWidget* toolbar,
-                                             GdkDragContext* context,
-                                             gint x,
-                                             gint y,
-                                             guint time) {
-  gint index = gtk_toolbar_get_drop_index(GTK_TOOLBAR(toolbar), x, y);
-  return ItemDraggedOverToolbar(context, index, time);
-}
-
-void BookmarkBarGtk::OnToolbarSizeAllocate(GtkWidget* widget,
-                                           GtkAllocation* allocation) {
-  if (allocation->width == last_allocation_width_) {
-    // If the width hasn't changed, then the visibility of the chevron
-    // doesn't need to change. This check prevents us from getting stuck in a
-    // loop where allocates are queued indefinitely while the visibility of
-    // overflow chevron toggles without actual resizes of the toolbar.
-    return;
-  }
-  last_allocation_width_ = allocation->width;
-
-  SetChevronState();
-}
-
-void BookmarkBarGtk::OnDragReceived(GtkWidget* widget,
-                                    GdkDragContext* context,
-                                    gint x, gint y,
-                                    GtkSelectionData* selection_data,
-                                    guint target_type, guint time) {
-  if (!edit_bookmarks_enabled_.GetValue()) {
-    gtk_drag_finish(context, FALSE, FALSE, time);
-    return;
-  }
-
-  gboolean dnd_success = FALSE;
-  gboolean delete_selection_data = FALSE;
-
-  const BookmarkNode* dest_node = model_->bookmark_bar_node();
-  gint index;
-  if (widget == bookmark_toolbar_.get()) {
-    index = gtk_toolbar_get_drop_index(
-      GTK_TOOLBAR(bookmark_toolbar_.get()), x, y);
-  } else if (widget == instructions_) {
-    dest_node = model_->bookmark_bar_node();
-    index = 0;
-  } else {
-    index = GetToolbarIndexForDragOverFolder(widget, x);
-    if (index < 0) {
-      dest_node = GetNodeForToolButton(widget);
-      index = dest_node->child_count();
-    }
-  }
-
-  switch (target_type) {
-    case ui::CHROME_BOOKMARK_ITEM: {
-      gint length = gtk_selection_data_get_length(selection_data);
-      Pickle pickle(reinterpret_cast<const char*>(
-          gtk_selection_data_get_data(selection_data)), length);
-      BookmarkNodeData drag_data;
-      if (drag_data.ReadFromPickle(&pickle)) {
-        dnd_success = chrome::DropBookmarks(browser_->profile(),
-            drag_data, dest_node, index) != ui::DragDropTypes::DRAG_NONE;
-      }
-      break;
-    }
-
-    case ui::CHROME_NAMED_URL: {
-      dnd_success = CreateNewBookmarkFromNamedUrl(
-          selection_data, model_, dest_node, index);
-      break;
-    }
-
-    case ui::TEXT_URI_LIST: {
-      dnd_success = CreateNewBookmarksFromURIList(
-          selection_data, model_, dest_node, index);
-      break;
-    }
-
-    case ui::NETSCAPE_URL: {
-      dnd_success = CreateNewBookmarkFromNetscapeURL(
-          selection_data, model_, dest_node, index);
-      break;
-    }
-
-    case ui::TEXT_PLAIN: {
-      guchar* text = gtk_selection_data_get_text(selection_data);
-      if (!text)
-        break;
-      GURL url(reinterpret_cast<char*>(text));
-      g_free(text);
-      // TODO(estade): It would be nice to head this case off at drag motion,
-      // so that it doesn't look like we can drag onto the bookmark bar.
-      if (!url.is_valid())
-        break;
-      base::string16 title = GetNameForURL(url);
-      model_->AddURL(dest_node, index, title, url);
-      dnd_success = TRUE;
-      break;
-    }
-  }
-
-  gtk_drag_finish(context, dnd_success, delete_selection_data, time);
-}
-
-void BookmarkBarGtk::OnDragLeave(GtkWidget* sender,
-                                 GdkDragContext* context,
-                                 guint time) {
-  if (GTK_IS_BUTTON(sender))
-    gtk_drag_unhighlight(sender);
-
-  ClearToolbarDropHighlighting();
-}
-
-gboolean BookmarkBarGtk::OnFolderDragMotion(GtkWidget* button,
-                                            GdkDragContext* context,
-                                            gint x,
-                                            gint y,
-                                            guint time) {
-  if (!edit_bookmarks_enabled_.GetValue())
-    return FALSE;
-  GdkAtom target_type = gtk_drag_dest_find_target(button, context, NULL);
-  if (target_type == GDK_NONE)
-    return FALSE;
-
-  int index = GetToolbarIndexForDragOverFolder(button, x);
-  if (index < 0) {
-    ClearToolbarDropHighlighting();
-
-    // Drag is over middle of folder.
-    gtk_drag_highlight(button);
-    if (target_type == ui::GetAtomForTarget(ui::CHROME_BOOKMARK_ITEM)) {
-      gdk_drag_status(context, GDK_ACTION_MOVE, time);
-    } else {
-      gdk_drag_status(context, GDK_ACTION_COPY, time);
-    }
-
-    return TRUE;
-  }
-
-  // Remove previous highlighting.
-  gtk_drag_unhighlight(button);
-  return ItemDraggedOverToolbar(context, index, time);
-}
-
-gboolean BookmarkBarGtk::OnEventBoxExpose(GtkWidget* widget,
-                                          GdkEventExpose* event) {
-  TRACE_EVENT0("ui::gtk", "BookmarkBarGtk::OnEventBoxExpose");
-  GtkThemeService* theme_provider = theme_service_;
-
-  // We don't need to render the toolbar image in GTK mode, except when
-  // detached.
-  if (theme_provider->UsingNativeTheme() &&
-      bookmark_bar_state_ != BookmarkBar::DETACHED)
-    return FALSE;
-
-  if (bookmark_bar_state_ != BookmarkBar::DETACHED) {
-    cairo_t* cr = gdk_cairo_create(gtk_widget_get_window(widget));
-    gdk_cairo_rectangle(cr, &event->area);
-    cairo_clip(cr);
-
-    // Paint the background theme image.
-    gfx::Point tabstrip_origin =
-        tabstrip_origin_provider_->GetTabStripOriginForWidget(widget);
-    gtk_util::DrawThemedToolbarBackground(widget, cr, event, tabstrip_origin,
-                                          theme_provider);
-
-    cairo_destroy(cr);
-  } else {
-    gfx::Size web_contents_size;
-    if (!GetWebContentsSize(&web_contents_size))
-      return FALSE;
-    gfx::CanvasSkiaPaint canvas(event, true);
-
-    GtkAllocation allocation;
-    gtk_widget_get_allocation(widget, &allocation);
-
-    gfx::Rect area = gtk_widget_get_has_window(widget) ?
-                     gfx::Rect(0, 0, allocation.width, allocation.height) :
-                     gfx::Rect(allocation);
-    NtpBackgroundUtil::PaintBackgroundDetachedMode(theme_provider, &canvas,
-        area, web_contents_size.height());
-  }
-
-  return FALSE;  // Propagate expose to children.
-}
-
-void BookmarkBarGtk::OnEventBoxDestroy(GtkWidget* widget) {
-  if (model_)
-    model_->RemoveObserver(this);
-}
-
-void BookmarkBarGtk::OnParentSizeAllocate(GtkWidget* widget,
-                                          GtkAllocation* allocation) {
-  // In detached mode, our layout depends on the size of the tab contents.
-  // We get the size-allocate signal before the tab contents does, hence we
-  // need to post a delayed task so we will paint correctly. Note that
-  // gtk_widget_queue_draw by itself does not work, despite that it claims to
-  // be asynchronous.
-  if (bookmark_bar_state_ == BookmarkBar::DETACHED) {
-    base::MessageLoop::current()->PostTask(
-        FROM_HERE,
-        base::Bind(&BookmarkBarGtk::PaintEventBox, weak_factory_.GetWeakPtr()));
-  }
-}
-
-void BookmarkBarGtk::OnThrobbingWidgetDestroy(GtkWidget* widget) {
-  SetThrobbingWidget(NULL);
-}
-
-void BookmarkBarGtk::ShowImportDialog() {
-  chrome::ShowImportDialog(browser_);
-}
-
-void BookmarkBarGtk::OnAppsPageShortcutVisibilityChanged() {
-  const bool visible =
-      chrome::ShouldShowAppsShortcutInBookmarkBar(
-          browser_->profile(), browser_->host_desktop_type());
-  gtk_widget_set_visible(apps_shortcut_button_, visible);
-  gtk_widget_set_no_show_all(apps_shortcut_button_, !visible);
-}
-
-void BookmarkBarGtk::OnEditBookmarksEnabledChanged() {
-  GtkDestDefaults dest_defaults =
-      *edit_bookmarks_enabled_ ? GTK_DEST_DEFAULT_ALL :
-                                 GTK_DEST_DEFAULT_DROP;
-  gtk_drag_dest_set(overflow_button_, dest_defaults, NULL, 0, kDragAction);
-  gtk_drag_dest_set(other_bookmarks_button_, dest_defaults,
-                    NULL, 0, kDragAction);
-  ui::SetDestTargetList(overflow_button_, kDestTargetList);
-  ui::SetDestTargetList(other_bookmarks_button_, kDestTargetList);
-}