Decompose //extensions/browser/BUILD.gn

extensions/browser/api/socket/socket_api.cc

Index: extensions/browser/api/socket/socket_api.cc
diff --git a/extensions/browser/api/socket/socket_api.cc b/extensions/browser/api/socket/socket_api.cc
index 7aef524c455de769f73d2e6bd54ad738f500a15e..5539b02ef0735f85841e976c4fa9cfc7078bf90d 100644
--- a/extensions/browser/api/socket/socket_api.cc
+++ b/extensions/browser/api/socket/socket_api.cc
@@ -552,8 +552,7 @@ void SocketWriteFunction::AsyncWorkStart() {
     return;
   }
 
-  socket->Write(io_buffer_,
-                io_buffer_size_,
+  socket->Write(io_buffer_, static_cast<int>(io_buffer_size_),
                 base::Bind(&SocketWriteFunction::OnCompleted, this));
 }
 
@@ -673,7 +672,8 @@ void SocketSendToFunction::StartSendTo() {
     return;
   }
 
-  socket->SendTo(io_buffer_, io_buffer_size_, addresses_.front(),
+  socket->SendTo(io_buffer_, static_cast<int>(io_buffer_size_),
+                 addresses_.front(),
                  base::Bind(&SocketSendToFunction::OnCompleted, this));
 }