GTK: Directly allocate widgets that are children of GtkFixed.

BUG=11190

Review URL: http://codereview.chromium.org/99243

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@14973 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/gtk/find_bar_gtk.cc

@@ -242,7 +242,10 @@ void FindBarGtk::OnSizeAllocate(GtkWidget* fixed,
                                 FindBarGtk* findbar) {
   // Set the background widget to the size of |fixed|.
   if (findbar->border_->allocation.width != allocation->width) {
-    gtk_widget_set_size_request(findbar->border_, allocation->width, 1);
+    // Typically it's not a good idea to use this function outside of container
+    // implementations, but GtkFixed doesn't do any sizing on its children so
+    // in this case it's safe.
+    gtk_widget_size_allocate(findbar->border_, allocation);
   }
 
   // Reposition |container_|.

chrome/browser/gtk/slide_animator_gtk.cc

@@ -13,11 +13,11 @@ namespace {
 void OnFixedSizeAllocate(GtkWidget* fixed,
                          GtkAllocation* allocation,
                          GtkWidget* child) {
-  gint height;
-  gtk_widget_get_size_request(child, NULL, &height);
   // The size of the GtkFixed has changed. We want |child_| to match widths,
-  // but the height should always be |widget_height_|.
-  gtk_widget_set_size_request(child, allocation->width, height);
+  // but the height should not change.
+  GtkAllocation new_allocation = child->allocation;
+  new_allocation.width = allocation->width;
+  gtk_widget_size_allocate(child, &new_allocation);
 }
 
 }  // namespace