GTK: HTTP Auth dialogs under linux.

chrome/browser/tab_contents/tab_contents_view_gtk.h

Index: chrome/browser/tab_contents/tab_contents_view_gtk.h
diff --git a/chrome/browser/tab_contents/tab_contents_view_gtk.h b/chrome/browser/tab_contents/tab_contents_view_gtk.h
index 8c85421e06b87e21f8366a2a0a039a035b8828f0..74de6dd07ca828914069cc1b86177303fd05c116 100644
--- a/chrome/browser/tab_contents/tab_contents_view_gtk.h
+++ b/chrome/browser/tab_contents/tab_contents_view_gtk.h
@@ -7,6 +7,8 @@
 
 #include <gtk/gtk.h>
 
+#include <vector>
+
 #include "base/scoped_ptr.h"
 #include "chrome/browser/gtk/focus_store_gtk.h"
 #include "chrome/browser/tab_contents/tab_contents_view.h"
@@ -15,6 +17,7 @@
 #include "chrome/common/owned_widget_gtk.h"
 
 class BlockedPopupContainerViewGtk;
+class ConstrainedWindowGtk;
 class RenderViewContextMenuGtk;
 class SadTabGtk;
 typedef struct _GtkFloatingContainer GtkFloatingContainer;
@@ -33,6 +36,11 @@ class TabContentsViewGtk : public TabContentsView,
   void AttachBlockedPopupView(BlockedPopupContainerViewGtk* popup_view);
   void RemoveBlockedPopupView(BlockedPopupContainerViewGtk* popup_view);
 
+  // Unlike Windows, ConstrainedWindows need to collaborate with the
+  // TabContentsViewGtk to position the dialogs.
+  void AttachConstrainedWindow(ConstrainedWindowGtk* constrained_window);
+  void RemoveConstrainedWindow(ConstrainedWindowGtk* constrained_window);
+
   // TabContentsView implementation --------------------------------------------
 
   virtual void CreateView();
@@ -109,8 +117,14 @@ class TabContentsViewGtk : public TabContentsView,
 
   FocusStoreGtk focus_store_;
 
+  // Our UI for controlling popups (or NULL if no popup windows have been
+  // opened). |popup_view_| is owned by the TabContents, not the view.
   BlockedPopupContainerViewGtk* popup_view_;
 
+  // Each individual UI for constrained dialogs currently displayed. The
+  // objects in this vector are owned by the TabContents, not the view.
+  std::vector<ConstrainedWindowGtk*> constrained_windows_;
+
   DISALLOW_COPY_AND_ASSIGN(TabContentsViewGtk);
 };