Fix nested GuestView's container bounds calculation.

content/browser/browser_plugin/browser_plugin_guest.cc

Index: content/browser/browser_plugin/browser_plugin_guest.cc
diff --git a/content/browser/browser_plugin/browser_plugin_guest.cc b/content/browser/browser_plugin/browser_plugin_guest.cc
index 359d53a20daea7fd8787a603edafd186a2c70d8b..54c3f5d6e53d8355fcd8f3afdbdd437bde96071d 100644
--- a/content/browser/browser_plugin/browser_plugin_guest.cc
+++ b/content/browser/browser_plugin/browser_plugin_guest.cc
@@ -475,11 +475,6 @@ gfx::Point BrowserPluginGuest::GetScreenCoordinates(
 
   gfx::Point screen_pos(relative_position);
   screen_pos += guest_window_rect_.OffsetFromOrigin();
-  if (embedder_web_contents()->GetBrowserPluginGuest()) {
-     BrowserPluginGuest* embedder_guest =
-        embedder_web_contents()->GetBrowserPluginGuest();
-     screen_pos += embedder_guest->guest_window_rect_.OffsetFromOrigin();
-  }
   return screen_pos;
 }