Rename initial_pos to initial_rect in ShowWidget and ShowView IPCs.

extensions/browser/guest_view/web_view/web_view_guest.cc

Index: extensions/browser/guest_view/web_view/web_view_guest.cc
diff --git a/extensions/browser/guest_view/web_view/web_view_guest.cc b/extensions/browser/guest_view/web_view/web_view_guest.cc
index e9c25ba23e1afb1c42174ed948b7be2d1647e083..5e5992e4ac33aa4a2af2b7befee35279db5b1a98 100644
--- a/extensions/browser/guest_view/web_view/web_view_guest.cc
+++ b/extensions/browser/guest_view/web_view/web_view_guest.cc
@@ -1084,13 +1084,13 @@ bool WebViewGuest::LoadDataWithBaseURL(const std::string& data_url,
 void WebViewGuest::AddNewContents(content::WebContents* source,
                                   content::WebContents* new_contents,
                                   WindowOpenDisposition disposition,
-                                  const gfx::Rect& initial_pos,
+                                  const gfx::Rect& initial_rect,
                                   bool user_gesture,
                                   bool* was_blocked) {
   if (was_blocked)
     *was_blocked = false;
   RequestNewWindowPermission(disposition,
-                             initial_pos,
+                             initial_rect,
                              user_gesture,
                              new_contents);
 }