Rename initial_pos to initial_rect in ShowWidget and ShowView IPCs.

chromecast/browser/android/cast_window_android.cc

Index: chromecast/browser/android/cast_window_android.cc
diff --git a/chromecast/browser/android/cast_window_android.cc b/chromecast/browser/android/cast_window_android.cc
index 8503fd6671306195b4aa96fc49a404504dc773eb..eef789c3cf357bab4dcaa8d91414f0c82bf2e793 100644
--- a/chromecast/browser/android/cast_window_android.cc
+++ b/chromecast/browser/android/cast_window_android.cc
@@ -107,7 +107,7 @@ void CastWindowAndroid::LoadURL(const GURL& url) {
 void CastWindowAndroid::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) {
   NOTIMPLEMENTED();