Revert "Fix a ton of compiler warnings."

chrome/browser/gtk/bookmark_bar_gtk.cc

Index: chrome/browser/gtk/bookmark_bar_gtk.cc
diff --git a/chrome/browser/gtk/bookmark_bar_gtk.cc b/chrome/browser/gtk/bookmark_bar_gtk.cc
index 909243da1b912a7903af41bb77e1b02f5bf33a1a..373ce0f9b850963ecd9cb2ad46a96210a882e1a5 100644
--- a/chrome/browser/gtk/bookmark_bar_gtk.cc
+++ b/chrome/browser/gtk/bookmark_bar_gtk.cc
@@ -399,8 +399,8 @@ void BookmarkBarGtk::AnimationProgressed(const Animation* animation) {
   DCHECK_EQ(animation, slide_animation_.get());
 
   gtk_widget_set_size_request(event_box_.get(), -1,
-                              static_cast<gint>(animation->GetCurrentValue() *
-                                                kBookmarkBarHeight));
+                              animation->GetCurrentValue() *
+                              kBookmarkBarHeight);
 }
 
 void BookmarkBarGtk::AnimationEnded(const Animation* animation) {