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

third_party/webrtc_overrides/webrtc/base/logging.cc

Index: third_party/webrtc_overrides/webrtc/base/logging.cc
diff --git a/third_party/webrtc_overrides/webrtc/base/logging.cc b/third_party/webrtc_overrides/webrtc/base/logging.cc
index db888c1a4ad2c43c0cb526d3859dbab90ee43a01..855ae6bf489f548e6c203f2258c325cb862b39fb 100644
--- a/third_party/webrtc_overrides/webrtc/base/logging.cc
+++ b/third_party/webrtc_overrides/webrtc/base/logging.cc
@@ -13,8 +13,10 @@
 
 #include <algorithm>
 #include <iomanip>
+#include <string>
 
 #include "base/atomicops.h"
+#include "base/command_line.h"
 #include "base/logging.h"
 #include "base/strings/string_util.h"
 #include "base/threading/platform_thread.h"
@@ -49,6 +51,16 @@ static_assert(sizeof(base::subtle::Atomic32) == sizeof(base::PlatformThreadId),
 base::subtle::Atomic32 g_init_logging_delegate_thread_id = 0;
 #endif
 
+void InitChromiumLoggingAndCommandLine() {
+  // 0 means no arguments, so the null argv is never touched
+  base::CommandLine::Init(0, nullptr);
+
+  // Chromium checks for the presence of --v when deciding log level.
+  // Note that the *value* of --v doesn't matter for this check.
+  base::CommandLine::ForCurrentProcess()->AppendSwitchASCII("v", "");
+  logging::InitLogging(logging::LoggingSettings());
+}
+
 /////////////////////////////////////////////////////////////////////////////
 // Constant Labels
 /////////////////////////////////////////////////////////////////////////////
@@ -201,8 +213,8 @@ DiagnosticLogMessage::~DiagnosticLogMessage() {
 }
 
 // static
-void LogMessage::LogToDebug(int min_sev) {
-  logging::SetMinLogLevel(min_sev);
+void LogMessage::LogToDebug(LoggingSeverity min_sev) {
+  logging::SetMinLogLevel(WebRtcSevToChromeSev(min_sev));

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

Yes, this was indeed wrong. Great to have it fixed!

 }
 
 // Note: this function is a copy from the overriden libjingle implementation.