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

chrome/browser/BUILD.gn

 # 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.
 
 import("//build/config/chrome_build.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//chrome/common/features.gni")
 import("//media/media_options.gni")
@@ skipping 364 matching lines @@
       "//device/usb/public/interfaces",
       "//media",
       "//media/midi",
       "//mojo/common",
       "//mojo/edk/system",
       "//mojo/public/cpp/bindings",
       "//mojo/public/js",
       "//net:extras",
       "//net:net_with_v8",
       "//services/shell/public/cpp",
-      "//skia/public",
       "//storage/browser",
       "//storage/common",
       "//third_party/WebKit/public:image_resources",
       "//third_party/WebKit/public:resources",
       "//third_party/kasko",
       "//third_party/leveldatabase",
       "//third_party/libaddressinput",
       "//third_party/libyuv",
       "//third_party/re2",
       "//third_party/smhasher:cityhash",
@@ skipping 937 matching lines @@
         rebase_path(gypi_values.chrome_browser_rlz_sources, ".", "//chrome")
     deps = [
       "//components/google/core/browser",
       "//components/omnibox/browser",
       "//components/rlz",
       "//components/search_engines",
       "//rlz:rlz_lib",
     ]
   }
 }