[mojo] Get rid of Skia type converters

skia/public/interfaces/skia.typemap

Index: skia/public/interfaces/skia.typemap
diff --git a/skia/public/interfaces/skia.typemap b/skia/public/interfaces/skia.typemap
new file mode 100644
index 0000000000000000000000000000000000000000..338dc9f42e02cc591d1c4e5ffc3249b03b0d97f4
--- /dev/null
+++ b/skia/public/interfaces/skia.typemap
@@ -0,0 +1,17 @@
+// Copyright 2016 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 typemap for consumers of Mojo services that use Skia types.
+
+{
+  "c++": {
+    "skia.Bitmap": {
+      "typename": "SkBitmap",
+      "headers": [
+        "third_party/skia/include/core/SkBitmap.h",
+        "ui/gfx/ipc/gfx_param_traits.h"
+      ]
+    }
+  }
+}