gtk: Use the requested window bounds when determining the location of the sou...

chrome/browser/gtk/tabs/tab_renderer_gtk.h

Index: chrome/browser/gtk/tabs/tab_renderer_gtk.h
===================================================================
--- chrome/browser/gtk/tabs/tab_renderer_gtk.h	(revision 21711)
+++ chrome/browser/gtk/tabs/tab_renderer_gtk.h	(working copy)
@@ -163,6 +163,9 @@
   // Returns the non-mirrored (LTR) bounds of this tab.
   gfx::Rect GetNonMirroredBounds(GtkWidget* parent) const;
 
+  // Returns the requested bounds of the tab.
+  gfx::Rect GetRequisition() const;
+
   // Sets the bounds of the tab.
   void SetBounds(const gfx::Rect& bounds);
 
@@ -325,6 +328,10 @@
   // The bounds of this Tab.
   gfx::Rect bounds_;
 
+  // The requested bounds of this tab.  These bounds are relative to the
+  // tabstrip.
+  gfx::Rect requisition_;
+
   // Hover animation.
   scoped_ptr<SlideAnimation> hover_animation_;