1 files changed, 29 insertions, 0 deletions
diff --git a/layout/base/LayoutLogging.cpp b/layout/base/LayoutLogging.cpp
new file mode 100644
index 0000000000..a56fb91340
--- /dev/null
+++ b/layout/base/LayoutLogging.cpp
@@ -0,0 +1,29 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+// Chromium headers must come before Mozilla headers.
+#include "base/process_util.h"
+
+#include "LayoutLogging.h"
+
+namespace mozilla {
+namespace detail {
+
+void LayoutLogWarning(const char* aStr, const char* aExpr, const char* aFile,
+                      int32_t aLine) {
+  if (aExpr) {
+    MOZ_LOG(sLayoutLog, mozilla::LogLevel::Warning,
+            ("[%" PRIPID "] WARNING: %s: '%s', file %s, line %d",
+             base::GetCurrentProcId(), aStr, aExpr, aFile, aLine));
+  } else {
+    MOZ_LOG(sLayoutLog, mozilla::LogLevel::Warning,
+            ("[%" PRIPID "] WARNING: %s: file %s, line %d",
+             base::GetCurrentProcId(), aStr, aFile, aLine));
+  }
+}
+
+}  // namespace detail
+}  // namespace mozilla