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

mojo/public/tools/bindings/mojom.gni

 # Copyright 2014 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.
 
 mojom_generator_root = "//mojo/public/tools/bindings"
 mojom_generator_script = "$mojom_generator_root/mojom_bindings_generator.py"
 mojom_generator_sources = [
   "$mojom_generator_root/generators/mojom_cpp_generator.py",
   "$mojom_generator_root/generators/mojom_js_generator.py",
   "$mojom_generator_root/generators/mojom_java_generator.py",
@@ skipping 303 matching lines @@
         deps += [ ":$generator_target_name" ]
       }
       public_deps = [
         "//base",
       ]
       foreach(d, all_deps) {
         # Resolve the name, so that a target //mojo/something becomes
         # //mojo/something:something and we can append cpp_sources_suffix to
         # get the cpp dependency name.
         full_name = get_label_info("$d", "label_no_toolchain")
-        deps += [ "${full_name}${variant_suffix}_${cpp_sources_suffix}" ]
+        public_deps += [ "${full_name}${variant_suffix}_${cpp_sources_suffix}" ]
       }
       foreach(typemap, active_typemaps) {
         if (defined(typemap.public_headers)) {
           sources += typemap.public_headers
         }
         if (defined(typemap.traits_headers)) {
           sources += typemap.traits_headers
         }
         if (defined(typemap.sources)) {
           sources += typemap.sources
         }
+        if (defined(typemap.public_deps)) {
+          public_deps += typemap.public_deps
+        }
         if (defined(typemap.deps)) {
           deps += typemap.deps
         }
       }
       if (defined(bindings_configuration.for_blink) &&
           bindings_configuration.for_blink) {
         public_deps += [ "//mojo/public/cpp/bindings:wtf_support" ]
       }
     }
 
@@ skipping 41 matching lines @@
           full_name = get_label_info(d, "label_no_toolchain")
           deps += [ "${full_name}_java" ]
         }
 
         srcjar_deps = [ ":$java_srcjar_target_name" ]
         run_findbugs_override = false
       }
     }
   }
 }