Clean up TCW, make it solely a hub for 1:1 observer/helper objects.

chrome/browser/ui/pdf/pdf_unsupported_feature.cc

 // Copyright (c) 2011 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/pdf/pdf_unsupported_feature.h"
 
 #include "base/bind.h"
 #include "base/utf_string_conversions.h"
 #include "base/values.h"
 #include "base/version.h"
 #include "chrome/browser/chrome_plugin_service_filter.h"
 #include "chrome/browser/infobars/infobar_tab_helper.h"
 #include "chrome/browser/plugin_prefs.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/tab_contents/chrome_interstitial_page.h"
 #include "chrome/browser/tab_contents/confirm_infobar_delegate.h"
 #include "chrome/browser/tab_contents/tab_util.h"
 #include "chrome/browser/ui/tab_contents/tab_contents_wrapper.h"
 #include "chrome/common/chrome_content_client.h"
 #include "chrome/common/jstemplate_builder.h"
 #include "chrome/common/pref_names.h"
 #include "content/browser/plugin_service.h"
 #include "content/browser/renderer_host/render_view_host.h"
+#include "content/browser/tab_contents/tab_contents.h"
 #include "content/browser/user_metrics.h"
 #include "grit/browser_resources.h"
 #include "grit/generated_resources.h"
 #include "grit/theme_resources_standard.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/image/image.h"
 #include "webkit/plugins/npapi/plugin_group.h"
 
 using webkit::npapi::PluginGroup;
@@ skipping 94 matching lines @@
   tab->OpenURL(GURL(kReaderUpdateUrl), GURL(), NEW_FOREGROUND_TAB,
                content::PAGE_TRANSITION_LINK);
 }
 
 // Opens the PDF using Adobe Reader.
 void OpenUsingReader(TabContentsWrapper* tab,
                      const WebPluginInfo& reader_plugin,
                      InfoBarDelegate* old_delegate,
                      InfoBarDelegate* new_delegate) {
   ChromePluginServiceFilter::GetInstance()->OverridePluginForTab(
-      tab->render_view_host()->process()->GetID(),
-      tab->render_view_host()->routing_id(),
+      tab->tab_contents()->render_view_host()->process()->GetID(),
+      tab->tab_contents()->render_view_host()->routing_id(),
       tab->tab_contents()->GetURL(),
       ASCIIToUTF16(PluginGroup::kAdobeReaderGroupName));
-  tab->render_view_host()->ReloadFrame();
+  tab->tab_contents()->render_view_host()->ReloadFrame();
 
   if (new_delegate) {
     if (old_delegate) {
       tab->infobar_tab_helper()->ReplaceInfoBar(old_delegate, new_delegate);
     } else {
       tab->infobar_tab_helper()->AddInfoBar(new_delegate);
     }
   }
 }
 
@@ skipping 241 matching lines @@
 
 void PDFHasUnsupportedFeature(TabContentsWrapper* tab) {
 #if !defined(OS_WIN)
   // Only works for Windows for now.  For Mac, we'll have to launch the file
   // externally since Adobe Reader doesn't work inside Chrome.
   return;
 #endif
 
   PluginService::GetInstance()->GetPluginGroups(
       base::Bind(&GotPluginGroupsCallback,
-          tab->render_view_host()->process()->GetID(),
-          tab->render_view_host()->routing_id()));
+          tab->tab_contents()->render_view_host()->process()->GetID(),
+          tab->tab_contents()->render_view_host()->routing_id()));
 }