BASELINE: Update Chromium to 84.0.4147.141

Change-Id: Ib85eb4cfa1cbe2b2b81e5022c8cad5c493969535
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>

1 files changed, 24 insertions, 0 deletions

diff --git a/chromium/content/browser/conversions/conversion_page_metrics.cc b/chromium/content/browser/conversions/conversion_page_metrics.cc
new file mode 100644
index 00000000000..616ec324d67
--- /dev/null
+++ b/chromium/content/browser/conversions/conversion_page_metrics.cc
@@ -0,0 +1,24 @@
+// Copyright 2020 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 "content/browser/conversions/conversion_page_metrics.h"
+
+#include "base/metrics/histogram_functions.h"
+
+namespace content {
+
+ConversionPageMetrics::ConversionPageMetrics() = default;
+
+ConversionPageMetrics::~ConversionPageMetrics() {
+  // TODO(https://crbug.com/1044099): Consider limiting registrations per page
+  // based on this metric.
+  base::UmaHistogramExactLinear("Conversions.RegisteredConversionsPerPage",
+                                num_conversions_on_current_page_, 100);
+}
+
+void ConversionPageMetrics::OnConversion(const StorableConversion& conversion) {
+  num_conversions_on_current_page_++;
+}
+
+}  // namespace content