Add InitWidgets() phase for GTK infobars.

chrome/browser/ui/gtk/infobars/translate_infobar_base_gtk.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/ui/gtk/infobars/translate_infobar_base_gtk.h"
 
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/translate/options_menu_model.h"
 #include "chrome/browser/translate/translate_infobar_delegate.h"
 #include "chrome/browser/ui/gtk/gtk_util.h"
@@ skipping 40 matching lines @@
       background_color_animation_->Hide();
     }
   } else {
     background_error_percent_ = delegate->IsError() ? 1 : 0;
   }
 }
 
 TranslateInfoBarBase::~TranslateInfoBarBase() {
 }
 
-void TranslateInfoBarBase::Init() {
-  if (!ShowOptionsMenuButton())
-    return;
-
-  // The options button sits outside the translate_box so that it can be end
-  // packed in hbox_.
-  GtkWidget* options_menu_button = CreateMenuButton(
-      l10n_util::GetStringUTF8(IDS_TRANSLATE_INFOBAR_OPTIONS));
-  Signals()->Connect(options_menu_button, "clicked",
-                     G_CALLBACK(&OnOptionsClickedThunk), this);
-  gtk_widget_show_all(options_menu_button);
-  gtk_util::CenterWidgetInHBox(hbox_, options_menu_button, true, 0);
-}
-
 void TranslateInfoBarBase::GetTopColor(InfoBarDelegate::Type type,
                                        double* r, double* g, double* b) {
   if (background_error_percent_ <= 0) {
     InfoBarGtk::GetTopColor(InfoBarDelegate::PAGE_ACTION_TYPE, r, g, b);
   } else if (background_error_percent_ >= 1) {
     InfoBarGtk::GetTopColor(InfoBarDelegate::WARNING_TYPE, r, g, b);
   } else {
     double normal_r, normal_g, normal_b;
     InfoBarGtk::GetTopColor(InfoBarDelegate::PAGE_ACTION_TYPE,
                             &normal_r, &normal_g, &normal_b);
@@ skipping 30 matching lines @@
     double offset_r = error_r - normal_r;
     double offset_g = error_g - normal_g;
     double offset_b = error_b - normal_b;
 
     *r = normal_r + (background_error_percent_ * offset_r);
     *g = normal_g + (background_error_percent_ * offset_g);
     *b = normal_b + (background_error_percent_ * offset_b);
   }
 }
 
+void TranslateInfoBarBase::InitWidgets() {
+  InfoBarGtk::InitWidgets();
+
+  if (!ShowOptionsMenuButton())
+    return;
+
+  // The options button sits outside the translate_box so that it can be end
+  // packed in hbox_.
+  GtkWidget* options_menu_button = CreateMenuButton(
+      l10n_util::GetStringUTF8(IDS_TRANSLATE_INFOBAR_OPTIONS));
+  Signals()->Connect(options_menu_button, "clicked",
+                     G_CALLBACK(&OnOptionsClickedThunk), this);
+  gtk_widget_show_all(options_menu_button);
+  gtk_util::CenterWidgetInHBox(hbox_, options_menu_button, true, 0);
+}
+
 void TranslateInfoBarBase::AnimationProgressed(const ui::Animation* animation) {
+  DCHECK(widget());
   if (animation == background_color_animation_.get()) {
     background_error_percent_ = animation->GetCurrentValue();
     // Queue the info bar widget for redisplay so it repaints its background.
     gtk_widget_queue_draw(widget());
   } else {
     InfoBar::AnimationProgressed(animation);
   }
 }
 
 bool TranslateInfoBarBase::ShowOptionsMenuButton() const {
@@ skipping 71 matching lines @@
     case AFTER_TRANSLATE:
       infobar = new AfterTranslateInfoBar(owner, this);
       break;
     case TRANSLATING:
     case TRANSLATION_ERROR:
       infobar = new TranslateMessageInfoBar(owner, this);
       break;
     default:
       NOTREACHED();
   }
-  infobar->Init();
   return infobar;
 }