Move |ScopedWebInputEvent| and |WebInputEventTraits| from |content::| to "ui/events/blink"

content/test/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/compiler/compiler.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//mojo/public/tools/bindings/mojom.gni")
@@ skipping 870 matching lines @@
     "//base/test:test_support",
     "//cc",
     "//cc/ipc",
     "//content/browser:for_content_tests",
     "//content/public/browser",
     "//content/public/common",
     "//content/test:test_support",
     "//skia",
     "//testing/gtest",
     "//testing/perf",
+    "//ui/events/blink",
     "//ui/gfx",
     "//ui/gfx/geometry",
   ]
 
   if (is_android) {
     deps += [ "//testing/android/native_test:native_test_native_code" ]
   }
 }
 
 group("fuzzers") {
   deps = [
     "//content/test/fuzzer",
   ]
 }