2 files changed, 2 insertions, 3 deletions
diff --git a/base/message_loop/message_loop.cc b/base/message_loop/message_loop.cc
index eba68a72ba..3d55920afd 100644
--- a/base/message_loop/message_loop.cc
+++ b/base/message_loop/message_loop.cc
@@ -641,8 +641,6 @@ bool MessageLoopForUI::WatchFileDescriptor(
 //------------------------------------------------------------------------------
 // MessageLoopForIO
 
-MessageLoopForIO::MessageLoopForIO() : MessageLoop(TYPE_IO) {}
-
 #if !defined(OS_NACL_SFI)
 
 #if defined(OS_WIN)
diff --git a/base/message_loop/message_loop.h b/base/message_loop/message_loop.h
index 6b4765bd1b..fa054f421a 100644
--- a/base/message_loop/message_loop.h
+++ b/base/message_loop/message_loop.h
@@ -559,7 +559,8 @@ static_assert(sizeof(MessageLoop) == sizeof(MessageLoopForUI),
 //
 class BASE_EXPORT MessageLoopForIO : public MessageLoop {
  public:
-  MessageLoopForIO();
+  MessageLoopForIO() : MessageLoop(TYPE_IO) {
+  }
 
   // Returns the MessageLoopForIO of the current thread.
   static MessageLoopForIO* current() {