GTK: Another attempt at fixing gtk_floating_container_forall() crasher.

chrome/browser/gtk/tab_contents_container_gtk.cc

Index: chrome/browser/gtk/tab_contents_container_gtk.cc
diff --git a/chrome/browser/gtk/tab_contents_container_gtk.cc b/chrome/browser/gtk/tab_contents_container_gtk.cc
index 41d2d9ace47d542c3f9ac3fca87ff1121a3ff9d1..d55f9ca066bfef4c50275b330b5994cd6699ce43 100644
--- a/chrome/browser/gtk/tab_contents_container_gtk.cc
+++ b/chrome/browser/gtk/tab_contents_container_gtk.cc
@@ -34,6 +34,7 @@ TabContentsContainerGtk::TabContentsContainerGtk(StatusBubbleGtk* status_bubble)
 }
 
 TabContentsContainerGtk::~TabContentsContainerGtk() {
+  floating_.Destroy();
 }
 
 void TabContentsContainerGtk::Init() {
@@ -45,29 +46,29 @@ void TabContentsContainerGtk::Init() {
   // ||                                                                ||
   // ||                                                                ||
   // ||                                                                ||
-  // |+- (StatusBubble) ------+                +- (Popups) ------------+|
-  // |+                       +----------------+                       ||
-  // |+-----------------------+                +-----------------------+|
+  // |+- (StatusBubble) ------+                                        ||
+  // |+                       +                                        ||
+  // |+-----------------------+----------------------------------------+|
   // +------------------------------------------------------------------+
 
-  floating_ = gtk_floating_container_new();
+  floating_.Own(gtk_floating_container_new());
 
   fixed_ = gtk_fixed_new();
   g_signal_connect(fixed_, "size-allocate",
                    G_CALLBACK(OnFixedSizeAllocate), this);
-  gtk_container_add(GTK_CONTAINER(floating_), fixed_);
+  gtk_container_add(GTK_CONTAINER(floating_.get()), fixed_);
 
-  gtk_floating_container_add_floating(GTK_FLOATING_CONTAINER(floating_),
+  gtk_floating_container_add_floating(GTK_FLOATING_CONTAINER(floating_.get()),
                                       status_bubble_->widget());
-  g_signal_connect(floating_, "set-floating-position",
+  g_signal_connect(floating_.get(), "set-floating-position",
                    G_CALLBACK(OnSetFloatingPosition), this);
 
   gtk_widget_show(fixed_);
-  gtk_widget_show(floating_);
+  gtk_widget_show(floating_.get());
 }
 
 void TabContentsContainerGtk::AddContainerToBox(GtkWidget* box) {
-  gtk_box_pack_start(GTK_BOX(box), floating_, TRUE, TRUE, 0);
+  gtk_box_pack_start(GTK_BOX(box), floating_.get(), TRUE, TRUE, 0);
 }
 
 void TabContentsContainerGtk::SetTabContents(TabContents* tab_contents) {