Remove VIEW_TYPE_WEB_CONTENTS and make default view type INVALID.

content/browser/web_contents/web_contents_impl.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 "content/browser/web_contents/web_contents_impl.h"
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/metrics/histogram.h"
@@ skipping 269 matching lines @@
 #endif
       is_showing_before_unload_dialog_(false),
       opener_web_ui_type_(WebUI::kNoWebUI),
       closed_by_user_gesture_(false),
       minimum_zoom_percent_(
           static_cast<int>(content::kMinimumZoomFactor * 100)),
       maximum_zoom_percent_(
           static_cast<int>(content::kMaximumZoomFactor * 100)),
       temporary_zoom_settings_(false),
       content_restrictions_(0),
-      view_type_(content::VIEW_TYPE_WEB_CONTENTS),
+      view_type_(content::VIEW_TYPE_INVALID),
       color_chooser_(NULL) {
   render_manager_.Init(browser_context, site_instance, routing_id);
 
   view_.reset(content::GetContentClient()->browser()->
       OverrideCreateWebContentsView(this));
   if (!view_.get()) {
     content::WebContentsViewDelegate* delegate =
         content::GetContentClient()->browser()->GetWebContentsViewDelegate(
             this);
 #if defined(USE_AURA)
@@ skipping 2437 matching lines @@
 void WebContentsImpl::CreateViewAndSetSizeForRVH(RenderViewHost* rvh) {
   RenderWidgetHostView* rwh_view = GetView()->CreateViewForWidget(rvh);
   // Can be NULL during tests.
   if (rwh_view)
     rwh_view->SetSize(GetView()->GetContainerSize());
 }
 
 RenderViewHostImpl* WebContentsImpl::GetRenderViewHostImpl() {
   return static_cast<RenderViewHostImpl*>(GetRenderViewHost());
 }