mandoline: Add automatic tracing at mojo call sites.

third_party/mojo/mojom_bindings_generator_explicit.gypi

 # Copyright 2013 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.
 
 {
   'includes': [
     'mojom_bindings_generator_variables.gypi',
   ],
   'variables': {
     'mojom_base_output_dir':
@@ skipping 53 matching lines @@
         '<@(mojom_import_args)',
         '-o', '<(SHARED_INTERMEDIATE_DIR)',
         '--java_output_directory=<(java_out_dir)',
       ],
       'message': 'Generating Mojo bindings from <@(mojom_files)',
     }
   ],
   'conditions': [
     ['require_interface_bindings==1', {
       'dependencies': [
+        '<(DEPTH)/base/base.gyp:base',
         '<(DEPTH)/third_party/mojo/mojo_public.gyp:mojo_interface_bindings_generation',
       ],
     }],
   ],
   # Prevent the generated sources from being injected into the "all" target by
   # preventing the code generator from being directly depended on by the "all"
   # target.
   'suppress_wildcard': '1',
   'hard_dependency': '1',
   'direct_dependent_settings': {
@@ skipping 27 matching lines @@
         ],
         'additional_input_paths': [
           '<@(mojom_bindings_generator_sources)',
           '<@(mojom_files)',
         ],
         'mojom_generated_sources': [ '<@(mojom_generated_outputs)' ],
       },
     }
   },
 }