Add metrics for permission prompt acceptance / denial

chrome/browser/ui/website_settings/permission_ui_uma_util.cc

Index: chrome/browser/ui/website_settings/permission_ui_uma_util.cc
diff --git a/chrome/browser/ui/website_settings/permission_ui_uma_util.cc b/chrome/browser/ui/website_settings/permission_ui_uma_util.cc
deleted file mode 100644
index b97b05f9079d3c847b60745da0c48bf7a45891b5..0000000000000000000000000000000000000000
--- a/chrome/browser/ui/website_settings/permission_ui_uma_util.cc
+++ /dev/null
@@ -1,19 +0,0 @@
-// Copyright 2016 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/website_settings/permission_ui_uma_util.h"
-
-#include "base/metrics/histogram_macros.h"
-#include "chrome/browser/ui/website_settings/permission_bubble_request.h"
-
-void PermissionUiUmaUtil::PermissionPromptShown(
-    const std::vector<PermissionBubbleRequest*>& requests) {
-  PermissionBubbleType permission_prompt_type = PermissionBubbleType::MULTIPLE;
-  if (requests.size() == 1)
-    permission_prompt_type = requests[0]->GetPermissionBubbleType();
-  UMA_HISTOGRAM_ENUMERATION(
-      "Permissions.Prompt.Shown",
-      static_cast<base::HistogramBase::Sample>(permission_prompt_type),
-      static_cast<base::HistogramBase::Sample>(PermissionBubbleType::NUM));
-}