[OriginChip] Add animations for the hiding and showing of the chip.

chrome/browser/ui/gtk/location_bar_view_gtk.cc

 // Copyright 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/location_bar_view_gtk.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
@@ skipping 617 matching lines @@
   AccessibilityTextBoxInfo info(profile(),
                                 l10n_util::GetStringUTF8(IDS_ACCNAME_LOCATION),
                                 std::string(), false);
   ExtensionAccessibilityEventRouter::GetInstance()->HandleControlEvent(
       ui::AX_EVENT_FOCUS, &info);
 
   // Update the keyword and search hint states.
   OnChanged();
 }
 
+void LocationBarViewGtk::ShowURL() {
+  omnibox_view_->ShowURL();
+}
+
+void LocationBarViewGtk::HideURLAndShowOriginChip() {
+  omnibox_view_->HideURL();
+}
+
 InstantController* LocationBarViewGtk::GetInstant() {
   return browser_->instant_controller() ?
       browser_->instant_controller()->instant() : NULL;
 }
 
 WebContents* LocationBarViewGtk::GetWebContents() {
   return browser_->tab_strip_model()->GetActiveWebContents();
 }
 
 ToolbarModel* LocationBarViewGtk::GetToolbarModel() {
@@ skipping 1315 matching lines @@
     void* user_data) {
   PageActionViewGtk* view = static_cast<PageActionViewGtk*>(user_data);
   if (!gtk_widget_get_visible(view->widget()))
     return FALSE;
 
   GdkEventButton event = {};
   event.type = GDK_BUTTON_PRESS;
   event.button = 1;
   return view->OnButtonPressed(view->widget(), &event);
 }