chrome/blink: Add functionality for in-product help for media elements.

third_party/WebKit/public/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/buildflag_header.gni")
 import("//mojo/public/tools/bindings/mojom.gni")
 import("//third_party/WebKit/public/public_features.gni")
 import("//third_party/WebKit/Source/config.gni")
 import("//third_party/WebKit/Source/core/core.gni")
 import("//tools/grit/grit_rule.gni")
@@ skipping 693 matching lines @@
   visibility = [
     "//components/payments/content/*",
     "//content/*",
   ]
   visibility_blink = [
     "//content/common:mojo_bindings_blink",
     "//third_party/WebKit/Source/platform",
   ]
   sources = [
     "platform/display_mode.mojom",
+    "platform/media_in_product_help.mojom",
     "platform/mime_registry.mojom",
     "platform/modules/app_banner/app_banner.mojom",
     "platform/modules/background_fetch/background_fetch.mojom",
     "platform/modules/background_sync/background_sync.mojom",
     "platform/modules/bluetooth/web_bluetooth.mojom",
     "platform/modules/broadcastchannel/broadcast_channel.mojom",
     "platform/modules/budget_service/budget_service.mojom",
     "platform/modules/fetch/fetch_api_request.mojom",
     "platform/modules/hyphenation/hyphenation.mojom",
     "platform/modules/keyboard_lock/keyboard_lock.mojom",
@@ skipping 114 matching lines @@
   sources = [
     "web/ConsoleMessageStructTraits.cpp",
     "web/ConsoleMessageStructTraits.h",
   ]
   deps = [
     ":blink_headers",
     ":mojo_bindings_shared__generator",
     "//mojo/public/cpp/bindings:struct_traits",
   ]
 }