Record permission prompt gesture metrics on Android.

chrome/browser/permissions/permission_util.h

Index: chrome/browser/permissions/permission_util.h
diff --git a/chrome/browser/permissions/permission_util.h b/chrome/browser/permissions/permission_util.h
index a51bbc0933d2b3a8de83efe609016ef265007267..fc6c4a0a3f79a2bbb0f031bc29c253b3de20a91d 100644
--- a/chrome/browser/permissions/permission_util.h
+++ b/chrome/browser/permissions/permission_util.h
@@ -8,6 +8,7 @@
 #include <string>
 
 #include "base/macros.h"
+#include "chrome/browser/permissions/permission_request.h"
 #include "components/content_settings/core/common/content_settings.h"
 #include "components/content_settings/core/common/content_settings_types.h"
 #include "url/gurl.h"
@@ -44,6 +45,10 @@ class PermissionUtil {
   // Returns the permission string for the given PermissionType.
   static std::string GetPermissionString(content::PermissionType permission);
 
+  // Returns the gesture type corresponding to whether a permission request is
+  // made with or without a user gesture.
+  static PermissionRequestGestureType GetGestureType(bool user_gesture);
+
   // Limited conversion of ContentSettingsType to PermissionType. Intended for
   // recording Permission UMA metrics from areas of the codebase which have not
   // yet been converted to PermissionType. Returns true if the conversion was