Experience sampling instrumentation for dangerous downloads warnings

chrome/browser/extensions/api/experience_sampling_private/experience_sampling.h

 // Copyright 2014 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.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_API_EXPERIENCE_SAMPLING_PRIVATE_EXPERIENCE_SAMPLING_H_
 #define CHROME_BROWSER_EXTENSIONS_API_EXPERIENCE_SAMPLING_PRIVATE_EXPERIENCE_SAMPLING_H_
 
 #include "chrome/browser/extensions/chrome_extension_function.h"
 #include "chrome/common/extensions/api/experience_sampling_private.h"
 
 namespace content {
 class BrowserContext;
 }
 
 class GURL;
 
 namespace extensions {
 
 using api::experience_sampling_private::UIElement;
 
 class ExperienceSamplingEvent {
  public:
+  // String constants for user decision events.
   static const char kProceed[];
   static const char kDeny[];
+  static const char kIgnore[];
   static const char kCancel[];
   static const char kReload[];
 
+  // String constants for event names.
+  static const char kMaliciousDownload[];
+  static const char kDangerousDownload[];
+  static const char kDownloadDangerPrompt[];
+
   static scoped_ptr<ExperienceSamplingEvent> Create(
       const std::string& element_name,
       const GURL& destination,
       const GURL& referrer);
 
   static scoped_ptr<ExperienceSamplingEvent> Create(
       const std::string& element_name);
 
   ExperienceSamplingEvent(const std::string& element_name,
                           const GURL& destination,
@@ skipping 16 matching lines @@
   bool has_viewed_learn_more_;
   content::BrowserContext* browser_context_;
   UIElement ui_element_;
 
   DISALLOW_COPY_AND_ASSIGN(ExperienceSamplingEvent);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_EXPERIENCE_SAMPLING_PRIVATE_EXPERIENCE_SAMPLING_H_