Revert of Added option to specify a maximum file size when recording an AEC dump.

talk/session/media/channelmanager.cc

Index: talk/session/media/channelmanager.cc
diff --git a/talk/session/media/channelmanager.cc b/talk/session/media/channelmanager.cc
index bd89a41328cb345728bdec0912b4f230a3242a94..e7a4b8bddb99e56c561a51b218d8fc74e311d200 100644
--- a/talk/session/media/channelmanager.cc
+++ b/talk/session/media/channelmanager.cc
@@ -550,11 +550,9 @@
   }
 }
 
-bool ChannelManager::StartAecDump(rtc::PlatformFile file,
-                                  int64_t max_size_bytes) {
-  return worker_thread_->Invoke<bool>(Bind(&MediaEngineInterface::StartAecDump,
-                                           media_engine_.get(), file,
-                                           max_size_bytes));
+bool ChannelManager::StartAecDump(rtc::PlatformFile file) {
+  return worker_thread_->Invoke<bool>(
+      Bind(&MediaEngineInterface::StartAecDump, media_engine_.get(), file));
 }
 
 void ChannelManager::StopAecDump() {