Compilation errors:

In file included from ../../services/tracing/perfetto/json_trace_exporter.cc:5:
../../services/tracing/perfetto/json_trace_exporter.h:58:31: error: only virtual member functions can be marked 'override'
  void OnDetach(bool success) override;
                              ^~~~~~~~
../../services/tracing/perfetto/json_trace_exporter.h:59:61: error: only virtual member functions can be marked 'override'
  void OnAttach(bool success, const perfetto::TraceConfig&) override;
                                                            ^~~~~~~~
../../services/tracing/perfetto/json_trace_exporter.cc:288:63: error: too many arguments to function call, expected 1, have 2
  consumer_endpoint_ = service->ConnectConsumer(this, /*uid=*/0);
                       ~~~~~~~~~~~~~~~~~~~~~~~~               ^
../../third_party/perfetto/include/perfetto/tracing/core/tracing_service.h:196:3: note: 'ConnectConsumer' declared here
  virtual std::unique_ptr<ConsumerEndpoint> ConnectConsumer(Consumer*) = 0;
  ^
3 errors generated.


Possible problematic CL:

from 2018-12-21 17:44:58

Compilation settings:

target_os="android"
target_cpu="arm"
enable_nacl=false
symbol_level=0
remove_webcore_debug_symbols=true
is_debug=false
dcheck_always_on=false
is_component_build=false
use_jumbo_build=true