Revert "Fix a ton of compiler warnings."

chrome/browser/gtk/slide_animator_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/slide_animator_gtk.h"
 
 #include "app/animation.h"
 #include "app/slide_animation.h"
 #include "base/logging.h"
 
@@ skipping 89 matching lines @@
 
 bool SlideAnimatorGtk::IsShowing() {
   return animation_->IsShowing();
 }
 
 bool SlideAnimatorGtk::IsClosing() {
   return animation_->IsClosing();
 }
 
 void SlideAnimatorGtk::AnimationProgressed(const Animation* animation) {
-  int showing_height = static_cast<int>(child_->allocation.height *
-                                        animation_->GetCurrentValue());
+  int showing_height = child_->allocation.height *
+                       animation_->GetCurrentValue();
   if (direction_ == DOWN) {
     gtk_fixed_move(GTK_FIXED(widget_.get()), child_, 0,
                    showing_height - child_->allocation.height);
   }
   gtk_widget_set_size_request(widget_.get(), -1, showing_height);
 }
 
 void SlideAnimatorGtk::AnimationEnded(const Animation* animation) {
   if (!animation_->IsShowing()) {
     gtk_widget_hide(widget_.get());
     if (delegate_)
       delegate_->Closed();
   }
 }
 
 // static
 void SlideAnimatorGtk::OnChildSizeAllocate(GtkWidget* child,
                                            GtkAllocation* allocation,
                                            SlideAnimatorGtk* slider) {
   if (slider->child_needs_move_) {
     gtk_fixed_move(GTK_FIXED(slider->widget()), child, 0, -allocation->height);
     slider->child_needs_move_ = false;
   }
 
   if (slider->fixed_needs_resize_) {
     slider->AnimationProgressed(slider->animation_.get());
     slider->fixed_needs_resize_ = false;
   }
 }