Add a Certificate Viewer link to the Page Info dropdown

chrome/browser/ui/page_info/page_info_ui.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 "chrome/browser/ui/page_info/page_info_ui.h"
 
+#include <utility>
+
+#include "base/command_line.h"
 #include "base/macros.h"
+#include "chrome/app/vector_icons/vector_icons.h"
 #include "chrome/browser/content_settings/host_content_settings_map_factory.h"
 #include "chrome/browser/permissions/permission_manager.h"
 #include "chrome/browser/permissions/permission_result.h"
 #include "chrome/browser/permissions/permission_util.h"
 #include "chrome/browser/plugins/plugin_utils.h"
 #include "chrome/browser/plugins/plugins_field_trial.h"
 #include "chrome/common/chrome_features.h"
+#include "chrome/common/chrome_switches.h"
 #include "chrome/grit/chromium_strings.h"
 #include "chrome/grit/generated_resources.h"
 #include "chrome/grit/theme_resources.h"
 #include "components/strings/grit/components_chromium_strings.h"
 #include "components/strings/grit/components_strings.h"
 #include "ppapi/features/features.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/resource/resource_bundle.h"
+#include "ui/gfx/color_palette.h"
 #include "ui/gfx/image/image.h"
+#include "ui/gfx/paint_vector_icon.h"
 #include "url/gurl.h"
 
 namespace {
 
 const int kInvalidResourceID = -1;
 
 // The resource IDs for the strings that are displayed on the permissions
 // button if the permission setting is managed by policy.
 const int kPermissionButtonTextIDPolicyManaged[] = {
     kInvalidResourceID,
@@ skipping 407 matching lines @@
   }
   return resource_id;
 }
 
 // static
 const gfx::Image& PageInfoUI::GetConnectionIcon(
     PageInfo::SiteConnectionStatus status) {
   ResourceBundle& rb = ResourceBundle::GetSharedInstance();
   return rb.GetNativeImageNamed(GetConnectionIconID(status));
 }
+
+// static
+const gfx::Image PageInfoUI::GetCertificateIcon() {
+  gfx::Image image = gfx::Image(
+      gfx::CreateVectorIcon(kCertificateIcon, 16, gfx::kChromeIconGrey));
+  return image;

[Evan Stade, 2017/04/27 21:58:04]

nit: return gfx::Image(gfx::Create...

[elawrence, 2017/04/27 22:12:49]

Done.

+}
+
+// static
+bool PageInfoUI::ShouldShowCertificateLink() {
+  return base::CommandLine::ForCurrentProcess()->HasSwitch(
+      switches::kShowCertLink);
+}