Delete all log messages depending on system_wrappers.

webrtc/modules/desktop_capture/mac/desktop_configuration_monitor.cc

Index: webrtc/modules/desktop_capture/mac/desktop_configuration_monitor.cc
diff --git a/webrtc/modules/desktop_capture/mac/desktop_configuration_monitor.cc b/webrtc/modules/desktop_capture/mac/desktop_configuration_monitor.cc
index eeccecb6cccfccc03ad729386c6e2273a5beec02..0412c7b424f9b89d889f71f1a01313da32dd44d9 100644
--- a/webrtc/modules/desktop_capture/mac/desktop_configuration_monitor.cc
+++ b/webrtc/modules/desktop_capture/mac/desktop_configuration_monitor.cc
@@ -12,7 +12,6 @@
 
 #include "webrtc/modules/desktop_capture/mac/desktop_configuration.h"
 #include "webrtc/system_wrappers/include/event_wrapper.h"
-#include "webrtc/system_wrappers/include/logging.h"
 
 namespace webrtc {
 
@@ -25,7 +24,6 @@ DesktopConfigurationMonitor::DesktopConfigurationMonitor()
   CGError err = CGDisplayRegisterReconfigurationCallback(
       DesktopConfigurationMonitor::DisplaysReconfiguredCallback, this);
   if (err != kCGErrorSuccess) {
-    LOG(LS_ERROR) << "CGDisplayRegisterReconfigurationCallback " << err;
     abort();
   }
   display_configuration_capture_event_->Set();
@@ -38,13 +36,12 @@ DesktopConfigurationMonitor::~DesktopConfigurationMonitor() {
   CGError err = CGDisplayRemoveReconfigurationCallback(
       DesktopConfigurationMonitor::DisplaysReconfiguredCallback, this);
   if (err != kCGErrorSuccess)
-    LOG(LS_ERROR) << "CGDisplayRemoveReconfigurationCallback " << err;
+    ;
 }
 
 void DesktopConfigurationMonitor::Lock() {
   if (!display_configuration_capture_event_->Wait(
               kDisplayConfigurationEventTimeoutMs)) {
-    LOG_F(LS_ERROR) << "Event wait timed out.";
     abort();
   }
 }
@@ -73,7 +70,6 @@ void DesktopConfigurationMonitor::DisplaysReconfigured(
       // from accessing display memory until the reconfiguration completes.
       if (!display_configuration_capture_event_->Wait(
               kDisplayConfigurationEventTimeoutMs)) {
-        LOG_F(LS_ERROR) << "Event wait timed out.";
         abort();
       }
     }