Issue #1342 - Remove support for system libevent

ipc/chromium/moz.build

@@ -58,7 +58,7 @@ if os_win:
         'src/chrome/common/process_watcher_win.cc',
         'src/chrome/common/transport_dib_win.cc',
     ]
-elif not CONFIG['MOZ_SYSTEM_LIBEVENT']:
+else:
     DIRS += ['src/third_party']
 
 if os_posix:
@@ -143,9 +143,9 @@ if os_solaris:
        'src/base/atomicops_internals_x86_gcc.cc',
        'src/base/process_util_linux.cc',
        'src/base/time_posix.cc',
-]
+    ]
     
-elif not CONFIG['MOZ_SYSTEM_LIBEVENT']:
+else:
     LOCAL_INCLUDES += ['src/third_party/libevent/linux']
 
 ost = CONFIG['OS_TEST']

ipc/chromium/src/third_party/libeventcommon.mozbuild

@@ -32,7 +32,7 @@ else:
         else:
             libevent_include_suffix = 'linux'
 
-if os_posix and not CONFIG['MOZ_SYSTEM_LIBEVENT']:
+if os_posix:
     DEFINES['HAVE_CONFIG_H'] = True
     LOCAL_INCLUDES += sorted([
         'libevent',

ipc/chromium/src/third_party/moz.build

@@ -10,9 +10,6 @@ include(libevent_path_prefix + '/libeventcommon.mozbuild')
 if os_win:
     error('should not reach here on Windows')
 
-if CONFIG['MOZ_SYSTEM_LIBEVENT']:
-    error('should not reach here if we are using a native libevent')
-
 UNIFIED_SOURCES += [
     'libevent/buffer.c',
     'libevent/bufferevent.c',