Revert "Fix a ton of compiler warnings."

chrome/browser/gtk/download_item_gtk.cc

 // Copyright (c) 2009 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/gtk/download_item_gtk.h"
 
 #include "app/l10n_util.h"
 #include "app/gfx/canvas_paint.h"
 #include "app/gfx/font.h"
 #include "app/gfx/text_elider.h"
@@ skipping 410 matching lines @@
   }
 
   UpdateStatusLabel(status_label_, status_text_);
 }
 
 void DownloadItemGtk::AnimationProgressed(const Animation* animation) {
   if (animation == complete_animation_.get()) {
     gtk_widget_queue_draw(progress_area_.get());
   } else {
     if (IsDangerous()) {
-      int progress = static_cast<int>((dangerous_hbox_full_width_ -
-                                       dangerous_hbox_start_width_) *
-                                      new_item_animation_->GetCurrentValue());
+      int progress = (dangerous_hbox_full_width_ -
+                     dangerous_hbox_start_width_) *
+                     new_item_animation_->GetCurrentValue();
       int showing_width = dangerous_hbox_start_width_ + progress;
       gtk_widget_set_size_request(dangerous_hbox_, showing_width, -1);
     } else {
       DCHECK(animation == new_item_animation_.get());
       int showing_width = std::max(kMinDownloadItemWidth,
           static_cast<int>(kBodyWidth *
                            new_item_animation_->GetCurrentValue()));
       gtk_widget_set_size_request(body_.get(), showing_width, -1);
     }
   }
@@ skipping 436 matching lines @@
 
 // static
 void DownloadItemGtk::OnDangerousDecline(GtkWidget* button,
                                          DownloadItemGtk* item) {
   UMA_HISTOGRAM_LONG_TIMES("clickjacking.discard_download",
                            base::Time::Now() - item->creation_time_);
   if (item->get_download()->state() == DownloadItem::IN_PROGRESS)
     item->get_download()->Cancel(true);
   item->get_download()->Remove(true);
 }