move libevent into base

tools/gn/bootstrap/bootstrap.py

Index: tools/gn/bootstrap/bootstrap.py
diff --git a/tools/gn/bootstrap/bootstrap.py b/tools/gn/bootstrap/bootstrap.py
index 967c80d89090aead03a3bfb18ed5d023c33a6c2c..9d5a08617f630d97ef62647a39f795bcec416eef 100755
--- a/tools/gn/bootstrap/bootstrap.py
+++ b/tools/gn/bootstrap/bootstrap.py
@@ -308,19 +308,19 @@ def write_ninja(path, options):
     ])
     static_libraries['libevent'] = {
         'sources': [
-            'third_party/libevent/buffer.c',
-            'third_party/libevent/evbuffer.c',
-            'third_party/libevent/evdns.c',
-            'third_party/libevent/event.c',
-            'third_party/libevent/event_tagging.c',
-            'third_party/libevent/evrpc.c',
-            'third_party/libevent/evutil.c',
-            'third_party/libevent/http.c',
-            'third_party/libevent/log.c',
-            'third_party/libevent/poll.c',
-            'third_party/libevent/select.c',
-            'third_party/libevent/signal.c',
-            'third_party/libevent/strlcpy.c',
+            'base/third_party/libevent/buffer.c',
+            'base/third_party/libevent/evbuffer.c',
+            'base/third_party/libevent/evdns.c',
+            'base/third_party/libevent/event.c',
+            'base/third_party/libevent/event_tagging.c',
+            'base/third_party/libevent/evrpc.c',
+            'base/third_party/libevent/evutil.c',
+            'base/third_party/libevent/http.c',
+            'base/third_party/libevent/log.c',
+            'base/third_party/libevent/poll.c',
+            'base/third_party/libevent/select.c',
+            'base/third_party/libevent/signal.c',
+            'base/third_party/libevent/strlcpy.c',
         ],
         'tool': 'cc',
         'include_dirs': [],
@@ -352,10 +352,10 @@ def write_ninja(path, options):
         'base/trace_event/process_memory_maps_dump_provider.cc',
     ])
     static_libraries['libevent']['include_dirs'].extend([
-        os.path.join(SRC_ROOT, 'third_party', 'libevent', 'linux')
+        os.path.join(SRC_ROOT, 'base', 'third_party', 'libevent', 'linux')
     ])
     static_libraries['libevent']['sources'].extend([
-        'third_party/libevent/epoll.c',
+        'base/third_party/libevent/epoll.c',
     ])
 
 
@@ -380,10 +380,10 @@ def write_ninja(path, options):
         'base/trace_event/malloc_dump_provider.cc',
     ])
     static_libraries['libevent']['include_dirs'].extend([
-        os.path.join(SRC_ROOT, 'third_party', 'libevent', 'mac')
+        os.path.join(SRC_ROOT, 'base', 'third_party', 'libevent', 'mac')
     ])
     static_libraries['libevent']['sources'].extend([
-        'third_party/libevent/kqueue.c',
+        'base/third_party/libevent/kqueue.c',
     ])