1 files changed, 58 insertions, 0 deletions
diff --git a/third_party/libwebrtc/rtc_base/location.h b/third_party/libwebrtc/rtc_base/location.h
new file mode 100644
index 0000000000..c7335c2cb5
--- /dev/null
+++ b/third_party/libwebrtc/rtc_base/location.h
@@ -0,0 +1,58 @@
+/*
+ *  Copyright 2016 The WebRTC Project Authors. All rights reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifndef RTC_BASE_LOCATION_H_
+#define RTC_BASE_LOCATION_H_
+
+#include <string>
+
+#include "rtc_base/system/rtc_export.h"
+
+namespace rtc {
+
+// Location provides basic info where of an object was constructed, or was
+// significantly brought to life.
+// This is a stripped down version of:
+// https://code.google.com/p/chromium/codesearch#chromium/src/base/location.h
+class RTC_EXPORT Location {
+ public:
+  // Constructor should be called with a long-lived char*, such as __FILE__.
+  // It assumes the provided value will persist as a global constant, and it
+  // will not make a copy of it.
+  Location(const char* function_name, const char* file_name, int line_number)
+      : function_name_(function_name),
+        file_name_(file_name),
+        line_number_(line_number) {}
+  Location() = default;
+
+  const char* function_name() const { return function_name_; }
+  const char* file_name() const { return file_name_; }
+  int line_number() const { return line_number_; }
+  // TODO(steveanton): Remove once all downstream users have been updated to use
+  // `file_name()` and/or `line_number()`.
+  const char* file_and_line() const { return file_name_; }
+
+  std::string ToString() const;
+
+ private:
+  const char* function_name_ = "Unknown";
+  const char* file_name_ = "Unknown";
+  int line_number_ = -1;
+};
+
+// Define a macro to record the current source location.
+#define RTC_FROM_HERE RTC_FROM_HERE_WITH_FUNCTION(__FUNCTION__)
+
+#define RTC_FROM_HERE_WITH_FUNCTION(function_name) \
+  ::rtc::Location(function_name, __FILE__, __LINE__)
+
+}  // namespace rtc
+
+#endif  // RTC_BASE_LOCATION_H_