Rename platform-independent ConstrainedWindow types to WebContentsModalDialog types (part 1)

chrome/browser/ui/constrained_window_tab_helper_delegate.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 "chrome/browser/ui/constrained_window_tab_helper_delegate.h"
 
 #include <string.h>
 
 bool ConstrainedWindowTabHelperDelegate::ShouldFocusConstrainedWindow() {
   return true;
 }
 
-void ConstrainedWindowTabHelperDelegate::SetTabContentBlocked(
+void ConstrainedWindowTabHelperDelegate::SetWebContentsBlocked(
     content::WebContents* web_contents, bool blocked) {
 }
 
 ConstrainedWindowTabHelperDelegate::~ConstrainedWindowTabHelperDelegate() {}
 
-bool ConstrainedWindowTabHelperDelegate::GetConstrainedWindowTopCenter(
-    gfx::Point* point) {
+bool ConstrainedWindowTabHelperDelegate::GetDialogTopCenter(gfx::Point* point) {
   return false;
 }