Add a source to the result of PermissionContextBase::GetPermissionStatus

chrome/browser/permissions/permission_context_base.h

Index: chrome/browser/permissions/permission_context_base.h
diff --git a/chrome/browser/permissions/permission_context_base.h b/chrome/browser/permissions/permission_context_base.h
index 5b94cccc80c2e9fff8869458eae3590544adcf6b..7ea2e0848dc4457e91e5ccbe89adbaf1dd37250d 100644
--- a/chrome/browser/permissions/permission_context_base.h
+++ b/chrome/browser/permissions/permission_context_base.h
@@ -30,6 +30,32 @@ 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.
@@ -83,8 +109,8 @@ class PermissionContextBase : public KeyedService {
   // Returns whether the permission has been granted, denied etc.
   // TODO(meredithl): Ensure that the result accurately reflects whether the
   // origin is blacklisted for this permission.
-  ContentSetting GetPermissionStatus(const GURL& requesting_origin,
-                                     const GURL& embedding_origin) const;
+  PermissionResult GetPermissionStatus(const GURL& requesting_origin,
+                                       const GURL& embedding_origin) const;
 
   // Resets the permission to its default value.
   virtual void ResetPermission(const GURL& requesting_origin,