content: Move constrained window code from TabContents to TabContentsWrapper

chrome/browser/ui/views/constrained_window_views.h

Index: chrome/browser/ui/views/constrained_window_views.h
diff --git a/chrome/browser/ui/views/constrained_window_views.h b/chrome/browser/ui/views/constrained_window_views.h
index ef29024fdf97bce3006bc2342e706648b067e7ec..8f8446116f2d0a2392f263c9d5f8b49117a7c624 100644
--- a/chrome/browser/ui/views/constrained_window_views.h
+++ b/chrome/browser/ui/views/constrained_window_views.h
@@ -12,7 +12,7 @@
 #include "ui/gfx/rect.h"
 #include "views/widget/widget.h"
 
-class TabContents;
+class TabContentsWrapper;
 
 namespace views {
 namespace internal {
@@ -58,12 +58,12 @@ class ConstrainedWindowViews : public views::Widget,
                                public ConstrainedWindow,
                                public NativeConstrainedWindowDelegate {
  public:
-  ConstrainedWindowViews(TabContents* owner,
+  ConstrainedWindowViews(TabContentsWrapper* wrapper,
                          views::WidgetDelegate* widget_delegate);
   virtual ~ConstrainedWindowViews();
 
-  // Returns the TabContents that constrains this Constrained Window.
-  TabContents* owner() const { return owner_; }
+  // Returns the TabContentsWrapper that constrains this Constrained Window.
+  TabContentsWrapper* owner() const { return wrapper_; }
 
   // Overridden from ConstrainedWindow:
   virtual void ShowConstrainedWindow() OVERRIDE;
@@ -80,8 +80,7 @@ class ConstrainedWindowViews : public views::Widget,
   virtual views::internal::NativeWidgetDelegate*
       AsNativeWidgetDelegate() OVERRIDE;
 
-  // The TabContents that owns and constrains this ConstrainedWindow.
-  TabContents* owner_;
+  TabContentsWrapper* wrapper_;
 
   NativeConstrainedWindow* native_constrained_window_;