Fix backwards WebRTC-in-Chromium override and expose Chromium logging setup

third_party/webrtc_overrides/webrtc/base/diagnostic_logging.h

Index: third_party/webrtc_overrides/webrtc/base/diagnostic_logging.h
diff --git a/third_party/webrtc_overrides/webrtc/base/diagnostic_logging.h b/third_party/webrtc_overrides/webrtc/base/diagnostic_logging.h
index 3a29c3afe961b99eb8985e7b768ca4285730b9a4..949875333774e9ee89f97ee4cdecf596482ec17d 100644
--- a/third_party/webrtc_overrides/webrtc/base/diagnostic_logging.h
+++ b/third_party/webrtc_overrides/webrtc/base/diagnostic_logging.h
@@ -57,7 +57,8 @@ std::string ErrorName(int err, const ConstantLabel* err_table);
 // since the command line flag must be set using numerical values.
 // TODO(tommi): To keep things simple, we should just use the same values for
 // these constants as Chrome does.
-enum LoggingSeverity { LS_ERROR = 1,
+enum LoggingSeverity { LS_NONE = 0,

[Henrik Grunell, 2016/05/18 08:43:26]

Describe this in the comment.

[katrielc, 2016/05/18 09:06:42]

Acknowledged.

+                       LS_ERROR = 1,
                        LS_WARNING = 2,
                        LS_INFO = 3,
                        LS_VERBOSE = 4,
@@ -130,7 +131,7 @@ class LogMultilineState {
 
 class LogMessage {
  public:
-  static void LogToDebug(int min_sev);
+  static void LogToDebug(LoggingSeverity min_sev);
 };
 
 // When possible, pass optional state variable to track various data across