Add SkBitmap StructTraits for skia::mojo::Bitmap.

skia/skia.gyp

 # 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.
 
 {
   'conditions': [
     # In component mode (shared_lib), we build all of skia as a single DLL.
     # However, in the static mode, we need to build skia as multiple targets
     # in order to support the use case where a platform (e.g. Android) may
     # already have a copy of skia as a system library.
@@ skipping 153 matching lines @@
         'skia.gyp:skia',
       ],
       'sources': [
         'tools/filter_fuzz_stub/filter_fuzz_stub.cc',
       ],
       'includes': [
         '../build/android/increase_size_for_speed.gypi',
       ],
     },
     {
+      'target_name': 'skia_interfaces_mojom',
+      'type': 'none',
+      'variables': {
+        'mojom_files': [
+          'public/interfaces/bitmap.mojom',
+        ],
+        'mojom_typemaps': [
+          'public/interfaces/skbitmap.typemap',
+        ],
+      },
+      'includes': [ '../mojo/mojom_bindings_generator_explicit.gypi' ],
+    },
+    {
       'target_name': 'skia_mojo',
       'type': 'static_library',
       # The optimize: 'max' scattered throughout are particularly
       # important when compiled by MSVC 2013, which seems
       # to mis-link-time-compile code that's built with
       # different optimization levels. http://crbug.com/543583
       'variables': {
         'optimize': 'max',
       },
+      'sources': [
+        '../skia/public/interfaces/bitmap_skbitmap_struct_traits.cc',
+      ],
       'dependencies': [
         'skia',
+        'skia_interfaces_mojom',
         '../base/base.gyp:base',
       ],
-      'includes': [
-        '../mojo/mojom_bindings_generator.gypi',
-      ],
-      'sources': [
-        # Note: file list duplicated in GN build.
-        'public/interfaces/bitmap.mojom',
-        'public/type_converters.cc',
+      'export_dependent_settings': [
+        'skia',
       ],
     },
   ],
 }