GTK: Even more changes from raw allocation access to gtk_widget_get_allocation().

chrome/browser/ui/gtk/download/download_shelf_gtk.cc

Index: chrome/browser/ui/gtk/download/download_shelf_gtk.cc
diff --git a/chrome/browser/ui/gtk/download/download_shelf_gtk.cc b/chrome/browser/ui/gtk/download/download_shelf_gtk.cc
index cc6901a794fa41c8a5d0d0848e1430a906def11b..a2a934d594b45e8a0dd13e1ed3c7ed9044e17d77 100644
--- a/chrome/browser/ui/gtk/download/download_shelf_gtk.cc
+++ b/chrome/browser/ui/gtk/download/download_shelf_gtk.cc
@@ -263,7 +263,9 @@ void DownloadShelfGtk::Observe(int type,
 }
 
 int DownloadShelfGtk::GetHeight() const {
-  return slide_widget_->widget()->allocation.height;
+  GtkAllocation allocation;
+  gtk_widget_get_allocation(slide_widget_->widget(), &allocation);
+  return allocation.height;
 }
 
 void DownloadShelfGtk::RemoveDownloadItem(DownloadItemGtk* download_item) {
@@ -363,9 +365,11 @@ void DownloadShelfGtk::DidProcessEvent(GdkEvent* event) {
 
 bool DownloadShelfGtk::IsCursorInShelfZone(
     const gfx::Point& cursor_screen_coords) {
+  GtkAllocation allocation;
+  gtk_widget_get_allocation(shelf_.get(), &allocation);
+
   gfx::Rect bounds(gtk_util::GetWidgetScreenPosition(shelf_.get()),
-                   gfx::Size(shelf_.get()->allocation.width,
-                             shelf_.get()->allocation.height));
+                   gfx::Size(allocation.width, allocation.height));
 
   // Negative insets expand the rectangle. We only expand the top.
   bounds.Inset(gfx::Insets(-kShelfAuraSize, 0, 0, 0));