Arena allocator for grpc
diff --git a/gRPC-Core.podspec b/gRPC-Core.podspec
index 027babc..8a5dcbb 100644
--- a/gRPC-Core.podspec
+++ b/gRPC-Core.podspec
@@ -196,6 +196,7 @@
 
     # To save you from scrolling, this is the last part of the podspec.
     ss.source_files = 'src/core/lib/profiling/timers.h',
+                      'src/core/lib/support/arena.h',
                       'src/core/lib/support/backoff.h',
                       'src/core/lib/support/block_annotate.h',
                       'src/core/lib/support/env.h',
@@ -211,6 +212,7 @@
                       'src/core/lib/profiling/basic_timers.c',
                       'src/core/lib/profiling/stap_timers.c',
                       'src/core/lib/support/alloc.c',
+                      'src/core/lib/support/arena.c',
                       'src/core/lib/support/avl.c',
                       'src/core/lib/support/backoff.c',
                       'src/core/lib/support/cmdline.c',
@@ -675,6 +677,7 @@
                       'src/core/plugin_registry/grpc_plugin_registry.c'
 
     ss.private_header_files = 'src/core/lib/profiling/timers.h',
+                              'src/core/lib/support/arena.h',
                               'src/core/lib/support/backoff.h',
                               'src/core/lib/support/block_annotate.h',
                               'src/core/lib/support/env.h',