Tracing: fix error checking of deflate() to be performed always...

content/browser/tracing/tracing_controller_impl_data_sinks.cc

Index: content/browser/tracing/tracing_controller_impl_data_sinks.cc
diff --git a/content/browser/tracing/tracing_controller_impl_data_sinks.cc b/content/browser/tracing/tracing_controller_impl_data_sinks.cc
index 4ada2963f9dce58f48c3bb6ade990219e428c509..d8efb5aa4c9f50ab1032d9344fe4366702841251 100644
--- a/content/browser/tracing/tracing_controller_impl_data_sinks.cc
+++ b/content/browser/tracing/tracing_controller_impl_data_sinks.cc
@@ -262,7 +262,7 @@ class CompressedStringTraceDataSink : public TraceDataSinkImplBase {
       stream_->avail_out = kChunkSize;
       stream_->next_out = (unsigned char*)buffer;
       err = deflate(stream_.get(), finished ? Z_FINISH : Z_NO_FLUSH);
-      if (err != Z_OK && (err != Z_STREAM_END && finished)) {
+      if (err != (finished ? Z_STREAM_END : Z_OK)) {
         stream_.reset();
         return;
       }