Make Chrome Trace work with Android ATrace.

base/base.gypi

 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 {
   'target_defaults': {
     'variables': {
       'base_target': 0,
     },
     'target_conditions': [
@@ skipping 96 matching lines @@
           'debug/leak_tracker.h',
           'debug/profiler.cc',
           'debug/profiler.h',
           'debug/stack_trace.cc',
           'debug/stack_trace.h',
           'debug/stack_trace_android.cc',
           'debug/stack_trace_posix.cc',
           'debug/stack_trace_win.cc',
           'debug/trace_event.cc',
           'debug/trace_event.h',
+          'debug/trace_event_android.cc',
           'debug/trace_event_impl.cc',
           'debug/trace_event_impl.h',
           'debug/trace_event_win.cc',
           'eintr_wrapper.h',
           'environment.cc',
           'environment.h',
           'file_descriptor_posix.h',
           'file_path.cc',
           'file_path.h',
           'file_util.cc',
@@ skipping 583 matching lines @@
           # Remove all unnecessary files for build_nexe.py to avoid exceeding
           # command-line-string limitation when building NaCl on Windows.
           ['OS == "win" and >(nacl_untrusted_build)==1', {
               'sources/': [ ['exclude', '\\.h$'] ],
           }],
         ],
       }],
     ],
   },
 }