Rename initial_pos to initial_rect in ShowWidget and ShowView IPCs.

apps/custom_launcher_page_contents.cc

Index: apps/custom_launcher_page_contents.cc
diff --git a/apps/custom_launcher_page_contents.cc b/apps/custom_launcher_page_contents.cc
index 150bfcf7236bdb2edb7e841418454e6b80d202d5..20744b33c26ecc2d517ec080c9b4a4d8836f14e0 100644
--- a/apps/custom_launcher_page_contents.cc
+++ b/apps/custom_launcher_page_contents.cc
@@ -71,13 +71,13 @@ void CustomLauncherPageContents::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) {
   app_delegate_->AddNewContents(new_contents->GetBrowserContext(),
                                 new_contents,
                                 disposition,
-                                initial_pos,
+                                initial_rect,
                                 user_gesture,
                                 was_blocked);
 }