Index: base/debug/trace_event.cc |
diff --git a/base/debug/trace_event.cc b/base/debug/trace_event.cc |
index 3c1bd5c5cee9f5c463bbe55a887be3ff556fbd13..969af1cfc6d13af348dfa9cf3498433a230c11e6 100644 |
--- a/base/debug/trace_event.cc |
+++ b/base/debug/trace_event.cc |
@@ -298,7 +298,8 @@ TraceResultBuffer::TraceResultBuffer() : append_comma_(false) { |
TraceResultBuffer::~TraceResultBuffer() { |
} |
-void TraceResultBuffer::SetOutputCallback(OutputCallback json_chunk_callback) { |
+void TraceResultBuffer::SetOutputCallback( |
+ const OutputCallback& json_chunk_callback) { |
output_callback_ = json_chunk_callback; |
} |