gtk: Hide the status bubble when the mouse nears it.

chrome/browser/gtk/tab_contents_container_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/tab_contents_container_gtk.h"
 
 #include "app/gfx/native_widget_types.h"
 #include "app/l10n_util.h"
 #include "chrome/browser/gtk/gtk_floating_container.h"
 #include "chrome/browser/gtk/status_bubble_gtk.h"
@@ skipping 170 matching lines @@
     GtkAllocation* allocation,
     TabContentsContainerGtk* container) {
   // Set all the tab contents GtkWidgets to the size of the allocation.
   gtk_container_foreach(GTK_CONTAINER(fixed), ResizeChildren, allocation);
 }
 
 // static
 void TabContentsContainerGtk::OnSetFloatingPosition(
     GtkFloatingContainer* floating_container, GtkAllocation* allocation,
     TabContentsContainerGtk* tab_contents_container) {
-  GtkWidget* status = tab_contents_container->status_bubble_->widget();
+  StatusBubbleGtk* status = tab_contents_container->status_bubble_;
 
   // Look at the size request of the status bubble and tell the
   // GtkFloatingContainer where we want it positioned.
   GtkRequisition requisition;
-  gtk_widget_size_request(status, &requisition);
+  gtk_widget_size_request(status->widget(), &requisition);
+
+  bool ltr = (l10n_util::GetTextDirection() == l10n_util::LEFT_TO_RIGHT);
 
   GValue value = { 0, };
   g_value_init(&value, G_TYPE_INT);
-  if (l10n_util::GetTextDirection() == l10n_util::LEFT_TO_RIGHT)
+  if (ltr ^ status->flip_horizontally())  // Is it on the left?
     g_value_set_int(&value, 0);
   else
     g_value_set_int(&value, allocation->width - requisition.width);
   gtk_container_child_set_property(GTK_CONTAINER(floating_container),
-                                   status, "x", &value);
+                                   status->widget(), "x", &value);
 
   int child_y = std::max(
       allocation->y + allocation->height - requisition.height, 0);
-  g_value_set_int(&value, child_y);
+  g_value_set_int(&value, child_y + status->y_offset());
   gtk_container_child_set_property(GTK_CONTAINER(floating_container),
-                                   status, "y", &value);
+                                   status->widget(), "y", &value);
   g_value_unset(&value);
 }