Delete all log messages depending on system_wrappers.

webrtc/modules/desktop_capture/mouse_cursor_monitor_win.cc

Index: webrtc/modules/desktop_capture/mouse_cursor_monitor_win.cc
diff --git a/webrtc/modules/desktop_capture/mouse_cursor_monitor_win.cc b/webrtc/modules/desktop_capture/mouse_cursor_monitor_win.cc
index 0a7aff1432426076fb0d09979ce173ddd447c500..1011182746f16307b6fd17ee99a32ee21b810d75 100644
--- a/webrtc/modules/desktop_capture/mouse_cursor_monitor_win.cc
+++ b/webrtc/modules/desktop_capture/mouse_cursor_monitor_win.cc
@@ -20,7 +20,6 @@
 #include "webrtc/modules/desktop_capture/mouse_cursor.h"
 #include "webrtc/modules/desktop_capture/win/cursor.h"
 #include "webrtc/modules/desktop_capture/win/window_capture_utils.h"
-#include "webrtc/system_wrappers/include/logging.h"
 
 namespace webrtc {
 
@@ -102,7 +101,6 @@ void MouseCursorMonitorWin::Capture() {
   CURSORINFO cursor_info;
   cursor_info.cbSize = sizeof(CURSORINFO);
   if (!GetCursorInfo(&cursor_info)) {
-    LOG_F(LS_ERROR) << "Unable to get cursor info. Error = " << GetLastError();
     return;
   }