Rename initial_pos to initial_rect in ShowWidget and ShowView IPCs.

ui/web_dialogs/test/test_web_contents_handler.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/web_dialogs/test/test_web_contents_handler.h"
 
 namespace ui {
 namespace test {
 
 TestWebContentsHandler::TestWebContentsHandler() {
 }
 
 TestWebContentsHandler::~TestWebContentsHandler() {
 }
 
 content::WebContents* TestWebContentsHandler::OpenURLFromTab(
       content::BrowserContext* context,
       content::WebContents* source,
       const content::OpenURLParams& params) {
   return NULL;
 }
 
 void TestWebContentsHandler::AddNewContents(content::BrowserContext* context,
                                             content::WebContents* source,
                                             content::WebContents* new_contents,
                                             WindowOpenDisposition disposition,
-                                            const gfx::Rect& initial_pos,
+                                            const gfx::Rect& initial_rect,
                                             bool user_gesture) {
 }
 
 }  // namespace test
 }  // namespace ui