Rename initial_pos to initial_rect in ShowWidget and ShowView IPCs.

ui/web_dialogs/web_dialog_web_contents_delegate.h

Index: ui/web_dialogs/web_dialog_web_contents_delegate.h
diff --git a/ui/web_dialogs/web_dialog_web_contents_delegate.h b/ui/web_dialogs/web_dialog_web_contents_delegate.h
index 00f9aa4ef96c8d384bb3506e4b11a8d3a9fdc81d..c8d4f108549455f8f18012df15f244abab7e65c6 100644
--- a/ui/web_dialogs/web_dialog_web_contents_delegate.h
+++ b/ui/web_dialogs/web_dialog_web_contents_delegate.h
@@ -31,7 +31,7 @@ class WEB_DIALOGS_EXPORT WebDialogWebContentsDelegate
                                 content::WebContents* source,
                                 content::WebContents* new_contents,
                                 WindowOpenDisposition disposition,
-                                const gfx::Rect& initial_pos,
+                                const gfx::Rect& initial_rect,
                                 bool user_gesture) = 0;
   };
 
@@ -59,7 +59,7 @@ class WEB_DIALOGS_EXPORT WebDialogWebContentsDelegate
   void 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) override;
   bool IsPopupOrPanel(const content::WebContents* source) const override;