Implement permission embargo suppression metrics.

chrome/browser/permissions/permission_context_base.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_PERMISSIONS_PERMISSION_CONTEXT_BASE_H_
 #define CHROME_BROWSER_PERMISSIONS_PERMISSION_CONTEXT_BASE_H_
 
 #include <memory>
 #include <unordered_map>
 
 #include "base/callback_forward.h"
 #include "base/memory/weak_ptr.h"
 #include "build/build_config.h"
 #include "chrome/browser/permissions/permission_request.h"
+#include "chrome/browser/permissions/permission_util.h"
 #include "components/content_settings/core/common/content_settings.h"
 #include "components/content_settings/core/common/content_settings_types.h"
 #include "components/keyed_service/core/keyed_service.h"
 
 #if defined(OS_ANDROID)
 class PermissionQueueController;
 #endif
 class GURL;
 class PermissionRequestID;
 class Profile;
 
 namespace content {
 class WebContents;
 }
 
 using BrowserPermissionCallback = base::Callback<void(ContentSetting)>;
 
-// Identifies the source or reason for a permission status being returned.
-// TODO(raymes): Add more reasons here and return them correctly.
-enum class PermissionStatusSource {
-  // The status is the result of being blocked due to the user dismissing a
-  // permission prompt multiple times.
-  MULTIPLE_DISMISSALS,
-
-  // The status is the resultof being blocked because the permission is on the
-  // safe browsing blacklist.
-  SAFE_BROWSING_BLACKLIST,
-
-  // The reason for the status is not specified. Avoid returning this value. It
-  // only exists until code has been added to correctly return a source in all
-  // cases.
-  UNSPECIFIED
-};
-
-struct PermissionResult {
-  PermissionResult(ContentSetting content_setting,
-                   PermissionStatusSource source);
-  ~PermissionResult();
-
-  ContentSetting content_setting;
-  PermissionStatusSource source;
-};
-
 // This base class contains common operations for granting permissions.
 // It offers the following functionality:
 //   - Creates a permission request when needed.
 //   - If accepted/denied the permission is saved in content settings for
 //     future uses (for the domain that requested it).
 //   - If dismissed the permission is not saved but it's considered denied for
 //     this one request
 //   - In any case the BrowserPermissionCallback is executed once a decision
 //     about the permission is made by the user.
 // The bare minimum you need to create a new permission request is
@@ skipping 144 matching lines @@
 #endif
   std::unordered_map<std::string, std::unique_ptr<PermissionRequest>>
       pending_requests_;
 
   // Must be the last member, to ensure that it will be
   // destroyed first, which will invalidate weak pointers
   base::WeakPtrFactory<PermissionContextBase> weak_factory_;
 };
 
 #endif  // CHROME_BROWSER_PERMISSIONS_PERMISSION_CONTEXT_BASE_H_