Introduce InfoBarTabService API.

chrome/browser/infobars/insecure_content_infobar_delegate.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/infobars/insecure_content_infobar_delegate.h"
 
 #include "base/metrics/histogram.h"
 #include "chrome/browser/google/google_util.h"
 #include "chrome/browser/infobars/infobar_tab_helper.h"
 #include "chrome/common/render_messages.h"
+#include "content/public/browser/render_view_host.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/page_transition_types.h"
 #include "grit/generated_resources.h"
 #include "ui/base/l10n/l10n_util.h"
 
 using content::OpenURLParams;
 
 InsecureContentInfoBarDelegate::InsecureContentInfoBarDelegate(
     InfoBarTabHelper* infobar_helper,
     InfoBarType type)
@@ skipping 39 matching lines @@
 }
 
 
 // Cancel button is labelled "load anyways".  It triggers Cancel(), but really
 // means become insecure, so do the work of reloading the page.
 bool InsecureContentInfoBarDelegate::Cancel() {
   UMA_HISTOGRAM_ENUMERATION("InsecureContentInfoBarDelegateV2",
       (type_ == DISPLAY) ? DISPLAY_USER_OVERRIDE : RUN_USER_OVERRIDE,
       NUM_EVENTS);
 
-  int32 routing_id = owner()->routing_id();
-  owner()->Send((type_ == DISPLAY) ? static_cast<IPC::Message*>(
-      new ChromeViewMsg_SetAllowDisplayingInsecureContent(routing_id, true)) :
-      new ChromeViewMsg_SetAllowRunningInsecureContent(routing_id, true));
+  content::WebContents* web_contents = owner()->GetWebContents();
+  if (web_contents) {
+    int32 routing_id = web_contents->GetRoutingID();
+    web_contents->Send((type_ == DISPLAY) ?
+                       static_cast<IPC::Message*>(
+                           new ChromeViewMsg_SetAllowDisplayingInsecureContent(
+                               routing_id, true)) :
+                       new ChromeViewMsg_SetAllowRunningInsecureContent(
+                           routing_id, true));
+  }
   return true;
 }
 
 string16 InsecureContentInfoBarDelegate::GetLinkText() const {
   return l10n_util::GetStringUTF16(IDS_LEARN_MORE);
 }
 
 bool InsecureContentInfoBarDelegate::LinkClicked(
     WindowOpenDisposition disposition) {
-  owner()->web_contents()->OpenURL(OpenURLParams(
+  owner()->GetWebContents()->OpenURL(OpenURLParams(
       google_util::AppendGoogleLocaleParam(GURL(
       "https://www.google.com/support/chrome/bin/answer.py?answer=1342714")),
       content::Referrer(),
       (disposition == CURRENT_TAB) ? NEW_FOREGROUND_TAB : disposition,
       content::PAGE_TRANSITION_LINK, false));
   return false;
 }