Remove InsecureContentInfobarDelegate, which has been broken for a while

chrome/browser/infobars/insecure_content_infobar_delegate.cc

Index: chrome/browser/infobars/insecure_content_infobar_delegate.cc
diff --git a/chrome/browser/infobars/insecure_content_infobar_delegate.cc b/chrome/browser/infobars/insecure_content_infobar_delegate.cc
deleted file mode 100644
index 85cc4e02ba83ceb9a2f68ad64bdb72883c5ab08e..0000000000000000000000000000000000000000
--- a/chrome/browser/infobars/insecure_content_infobar_delegate.cc
+++ /dev/null
@@ -1,111 +0,0 @@
-// 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 <stddef.h>
-#include <utility>
-
-#include "base/metrics/histogram.h"
-#include "chrome/browser/infobars/infobar_service.h"
-#include "chrome/common/render_messages.h"
-#include "chrome/grit/generated_resources.h"
-#include "components/content_settings/content/common/content_settings_messages.h"
-#include "components/google/core/browser/google_util.h"
-#include "components/infobars/core/infobar.h"
-#include "content/public/browser/render_frame_host.h"
-#include "content/public/browser/render_view_host.h"
-#include "content/public/browser/web_contents.h"
-#include "grit/components_strings.h"
-#include "ui/base/l10n/l10n_util.h"
-#include "ui/base/page_transition_types.h"
-
-
-// static
-void InsecureContentInfoBarDelegate::Create(InfoBarService* infobar_service) {
-  UMA_HISTOGRAM_ENUMERATION("InsecureContentInfoBarDelegateV2",
-                            DISPLAY_INFOBAR_SHOWN, NUM_EVENTS);
-
-  std::unique_ptr<infobars::InfoBar> new_infobar(
-      infobar_service->CreateConfirmInfoBar(
-          std::unique_ptr<ConfirmInfoBarDelegate>(
-              new InsecureContentInfoBarDelegate())));
-
-  for (size_t i = 0; i < infobar_service->infobar_count(); ++i) {
-    infobars::InfoBar* old_infobar = infobar_service->infobar_at(i);
-    InsecureContentInfoBarDelegate* delegate =
-        old_infobar->delegate()->AsInsecureContentInfoBarDelegate();
-    if (delegate != nullptr) {
-      infobar_service->ReplaceInfoBar(old_infobar, std::move(new_infobar));
-      return;
-    }
-  }
-
-  infobar_service->AddInfoBar(std::move(new_infobar));
-}
-
-InsecureContentInfoBarDelegate::InsecureContentInfoBarDelegate()
-    : ConfirmInfoBarDelegate() {
-}
-
-InsecureContentInfoBarDelegate::~InsecureContentInfoBarDelegate() {
-}
-
-infobars::InfoBarDelegate::InfoBarIdentifier
-InsecureContentInfoBarDelegate::GetIdentifier() const {
-  return INSECURE_CONTENT_INFOBAR_DELEGATE;
-}
-
-void InsecureContentInfoBarDelegate::InfoBarDismissed() {
-  UMA_HISTOGRAM_ENUMERATION("InsecureContentInfoBarDelegateV2",
-                            DISPLAY_INFOBAR_DISMISSED, NUM_EVENTS);
-  ConfirmInfoBarDelegate::InfoBarDismissed();
-}
-
-InsecureContentInfoBarDelegate*
-    InsecureContentInfoBarDelegate::AsInsecureContentInfoBarDelegate() {
-  return this;
-}
-
-base::string16 InsecureContentInfoBarDelegate::GetMessageText() const {
-  return l10n_util::GetStringUTF16(IDS_BLOCKED_DISPLAYING_INSECURE_CONTENT);
-}
-
-base::string16 InsecureContentInfoBarDelegate::GetButtonLabel(
-    InfoBarButton button) const {
-  return l10n_util::GetStringUTF16(button == BUTTON_OK ?
-      IDS_BLOCK_INSECURE_CONTENT_BUTTON : IDS_ALLOW_INSECURE_CONTENT_BUTTON);
-}
-
-// OK button is labelled "don't load".  It triggers Accept(), but really
-// means stay secure, so do nothing but count the event and dismiss.
-bool InsecureContentInfoBarDelegate::Accept() {
-  UMA_HISTOGRAM_ENUMERATION("InsecureContentInfoBarDelegateV2",
-                            DISPLAY_USER_DID_NOT_LOAD, NUM_EVENTS);
-  return true;
-}
-
-// 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",
-                            DISPLAY_USER_OVERRIDE, NUM_EVENTS);
-
-  content::WebContents* web_contents =
-      InfoBarService::WebContentsFromInfoBar(infobar());
-  web_contents->SendToAllFrames(
-      new ChromeViewMsg_SetAllowDisplayingInsecureContent(
-          MSG_ROUTING_NONE, true));
-  web_contents->GetMainFrame()->Send(new ChromeViewMsg_ReloadFrame(
-      web_contents->GetMainFrame()->GetRoutingID()));
-  return true;
-}
-
-base::string16 InsecureContentInfoBarDelegate::GetLinkText() const {
-  return l10n_util::GetStringUTF16(IDS_LEARN_MORE);
-}
-
-GURL InsecureContentInfoBarDelegate::GetLinkURL() const {
-  return GURL("https://support.google.com/chrome/answer/1342714");
-}