Remove TabContents from constrained windows.

chrome/browser/ui/cocoa/tabs/tab_strip_controller.h

Index: chrome/browser/ui/cocoa/tabs/tab_strip_controller.h
diff --git a/chrome/browser/ui/cocoa/tabs/tab_strip_controller.h b/chrome/browser/ui/cocoa/tabs/tab_strip_controller.h
index d7065784a5fd8196f4b16bded480bb18046b99fd..fb895ac929a0f22596af2587d1e750db18bf343e 100644
--- a/chrome/browser/ui/cocoa/tabs/tab_strip_controller.h
+++ b/chrome/browser/ui/cocoa/tabs/tab_strip_controller.h
@@ -22,10 +22,13 @@
 @class TabStripView;
 
 class Browser;
-class TabContents;
 class TabStripModelObserverBridge;
 class TabStripModel;
 
+namespace content {
+class WebContents;
+}
+
 // The interface for the tab strip controller's delegate.
 // Delegating TabStripModelObserverBridge's events (in lieu of directly
 // subscribing to TabStripModelObserverBridge events, as TabStripController
@@ -257,7 +260,7 @@ class TabStripModel;
 
 @end
 
-// Returns the parent view to use when showing a sheet for a given tab contents.
-NSView* GetSheetParentViewForTabContents(TabContents* tab_contents);
+// Returns the parent view to use when showing a sheet for a given web contents.
+NSView* GetSheetParentViewForWebContents(content::WebContents* web_contents);
 
 #endif  // CHROME_BROWSER_UI_COCOA_TABS_TAB_STRIP_CONTROLLER_H_