Cleanup popup related browser navigation code.

chrome/browser/ui/browser_window.h

Index: chrome/browser/ui/browser_window.h
diff --git a/chrome/browser/ui/browser_window.h b/chrome/browser/ui/browser_window.h
index 2802afba79a8711333c1045f194f4cb1ac06eeec..ec2f091db7957fbb3b773051fbbabb7d9860221d 100644
--- a/chrome/browser/ui/browser_window.h
+++ b/chrome/browser/ui/browser_window.h
@@ -9,6 +9,7 @@
 #include "chrome/common/content_settings_types.h"
 #include "content/browser/tab_contents/navigation_entry.h"
 #include "ui/gfx/native_widget_types.h"
+#include "webkit/glue/window_open_disposition.h"
 
 class Browser;
 class BrowserWindowTesting;
@@ -326,6 +327,10 @@ class BrowserWindow {
   // placed at.
   virtual gfx::Rect GetInstantBounds() = 0;
 
+  // Return the correct disposition for a popup window based on |bounds|.
+  virtual WindowOpenDisposition GetDispositionForPopupBounds(
+      const gfx::Rect& bounds) = 0;
+
 #if defined(OS_CHROMEOS)
   // Shows the keyboard overlay dialog box.
   virtual void ShowKeyboardOverlay(gfx::NativeWindow owning_window) = 0;