Updated DropdownBarHost to use Layer clipping instead of OnPaint() clipping.

chrome/browser/ui/views/location_bar/location_bar_view.cc

Index: chrome/browser/ui/views/location_bar/location_bar_view.cc
diff --git a/chrome/browser/ui/views/location_bar/location_bar_view.cc b/chrome/browser/ui/views/location_bar/location_bar_view.cc
index 34074da333c9318bfb88c334afeb47f1e7345988..b98e28c0ac44f81fb43852cc210844442b6ac35b 100644
--- a/chrome/browser/ui/views/location_bar/location_bar_view.cc
+++ b/chrome/browser/ui/views/location_bar/location_bar_view.cc
@@ -144,7 +144,6 @@ LocationBarView::LocationBarView(Browser* browser,
       is_popup_mode_(is_popup_mode),
       show_focus_rect_(false),
       template_url_service_(NULL),
-      dropdown_animation_offset_(0),
       web_contents_null_at_last_refresh_(true) {
   edit_bookmarks_enabled_.Init(
       bookmarks::prefs::kEditBookmarksEnabled, profile->GetPrefs(),
@@ -1381,10 +1380,6 @@ void LocationBarView::SetFocusAndSelection(bool select_all) {
   FocusLocation(select_all);
 }
 
-void LocationBarView::SetAnimationOffset(int offset) {
-  dropdown_animation_offset_ = offset;
-}
-
 ////////////////////////////////////////////////////////////////////////////////
 // LocationBarView, private TemplateURLServiceObserver implementation: