Update web shell app to not load dev.chromium.org on launch.

ios/clean/chrome/browser/ui/web_contents/web_contents_view_controller.mm

 // Copyright 2016 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.
 
 // ======                        New Architecture                         =====
 // =         This code is only used in the new iOS Chrome architecture.       =
 // ============================================================================
 
 #import "ios/clean/chrome/browser/ui/web_contents/web_contents_view_controller.h"
 
@@ skipping 26 matching lines @@
   [self.view addSubview:webContentsView];
   [NSLayoutConstraint activateConstraints:@[
     [webContentsView.topAnchor constraintEqualToAnchor:self.view.topAnchor],
     [webContentsView.bottomAnchor
         constraintEqualToAnchor:self.view.bottomAnchor],
     [webContentsView.leadingAnchor
         constraintEqualToAnchor:self.view.leadingAnchor],
     [webContentsView.trailingAnchor
         constraintEqualToAnchor:self.view.trailingAnchor],
   ]];
-
-  if (!self.webState->GetNavigationManager()->GetItemCount()) {
-    web::NavigationManager::WebLoadParams params(

[Eugene But (OOO till 7-30), 2017/02/01 20:47:54]

This is not a part of web_shell, so if you want to make this change you should
probably ask marq@ for review.

[baxley, 2017/02/01 20:55:02]

Sorry, I thought I removed this from the CL. I has now been removed, and that
should be handled separately. Nice catch!

-        GURL("https://dev.chromium.org/"));
-    params.transition_type = ui::PAGE_TRANSITION_TYPED;
-    _webState->GetNavigationManager()->LoadURLWithParams(params);
-  }
 }
 
 @end