Mandoline: Add WebGL support

components/html_viewer/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/module_args/v8.gni")
 import("//mojo/public/mojo_application.gni")
 import("//testing/test.gni")
 import("//tools/grit/grit_rule.gni")
 import("//tools/grit/repack.gni")
 
@@ skipping 97 matching lines @@
     "stats_collection_controller.cc",
     "stats_collection_controller.h",
     "test_html_viewer_impl.cc",
     "test_html_viewer_impl.h",
     "touch_handler.cc",
     "touch_handler.h",
     "web_clipboard_impl.cc",
     "web_clipboard_impl.h",
     "web_cookie_jar_impl.cc",
     "web_cookie_jar_impl.h",
+    "web_graphics_context_3d_command_buffer_impl.cc",
+    "web_graphics_context_3d_command_buffer_impl.h",
     "web_layer_impl.cc",
     "web_layer_impl.h",
     "web_layer_tree_view_impl.cc",
     "web_layer_tree_view_impl.h",
     "web_mime_registry_impl.cc",
     "web_mime_registry_impl.h",
     "web_notification_manager_impl.cc",
     "web_notification_manager_impl.h",
     "web_socket_handle_impl.cc",
     "web_socket_handle_impl.h",
@@ skipping 22 matching lines @@
     "//components/mus/gles2:lib",
     "//components/mus/public/interfaces",
     "//components/resource_provider/public/cpp",
     "//components/resource_provider/public/interfaces",
     "//components/scheduler:scheduler",
     "//components/startup_metric_utils",
     "//components/webcrypto",
     "//components/web_view:switches",
     "//components/web_view/public/interfaces",
     "//gin",
+    "//gpu/blink:blink",
     "//media",
     "//media/blink",
     "//media/mojo",
     "//mojo/application/public/cpp",
     "//mojo/application/public/interfaces",
     "//mojo/cc",
     "//mojo/common",
     "//mojo/converters/surfaces",
+    "//mojo/gles2:headers",
     "//mojo/logging",
     "//mojo/message_pump",
     "//mojo/platform_handle",
     "//mojo/services/network/public/cpp",
     "//mojo/services/network/public/interfaces",
     "//mojo/services/tracing/public/cpp",
     "//mojo/services/tracing/public/interfaces",
     "//net",
     "//skia",
     "//third_party/mojo_services/src/accessibility/public/interfaces",
@@ skipping 171 matching lines @@
 
   data_deps = [
     ":html_viewer",
     "//components/mus",
   ]
 
   if (is_linux && !is_android) {
     data_deps += [ "//components/font_service" ]
   }
 }