Update mojo sdk to rev f84766d3b6420b7cf6a113d9d65d73cb5fe18d90

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':
         '<!(python <(DEPTH)/build/inverse_depth.py <(DEPTH))',
     'mojom_generated_outputs': [
       '<!@(python <(DEPTH)/third_party/mojo/src/mojo/public/tools/bindings/mojom_list_outputs.py --basedir <(mojom_base_output_dir) <@(mojom_files))',
     ],
+    'require_interface_bindings%': 1,
   },
   # Given mojom files as inputs, generate sources.  These sources will be
   # exported to another target (via dependent_settings) to be compiled.  This
   # keeps code generation separate from compilation, allowing the same sources
   # to be compiled with multiple toolchains - target, NaCl, etc.
   'actions': [
     {
       'variables': {
         'java_out_dir': '<(PRODUCT_DIR)/java_mojo/<(_target_name)/src',
         'stamp_filename': '<(PRODUCT_DIR)/java_mojo/<(_target_name)/<(_target_name).stamp',
@@ skipping 33 matching lines @@
         '--use_bundled_pylibs',
         '-d', '<(DEPTH)',
         '<@(mojom_import_args)',
         '-o', '<(SHARED_INTERMEDIATE_DIR)',
         '--java_output_directory=<(java_out_dir)',
         '--dart_mojo_root=//third_party/mojo/src',
       ],
       'message': 'Generating Mojo bindings from <@(mojom_files)',
     }
   ],
+  'conditions': [
+    ['require_interface_bindings==1', {
+      'dependencies': [
+        '<(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',
   'direct_dependent_settings': {
     # A target directly depending on this action will compile the generated
     # sources.
     'sources': [
       '<@(mojom_generated_outputs)',
     ],
@@ skipping 17 matching lines @@
         '<(SHARED_INTERMEDIATE_DIR)/third_party/mojo/src',
       ],
       'variables': {
         'generated_src_dirs': [
           '<(PRODUCT_DIR)/java_mojo/<(_target_name)/src',
         ],
         'additional_input_paths': [
           '<@(mojom_bindings_generator_sources)',
           '<@(mojom_files)',
         ],
+        'mojom_generated_sources': [ '<@(mojom_generated_outputs)' ],
       },
     }
   },
 }