[HBD] Only use Plugin Content Settings for Flash.

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 260 matching lines @@
   if (enable_plugins) {
     deps += [
       "//content/ppapi_plugin",
       "//ppapi/host",
       "//ppapi/proxy",
       "//ppapi/proxy:test_support",
       "//ppapi/shared_impl",
       "//ppapi/shared_impl:test_support",
     ]
   } else {
-    sources -= [ "ppapi_unittest.cc" ]
+    sources -= [
+      "../public/test/ppapi_test_utils.cc",
+      "ppapi_unittest.cc",
+    ]
   }
 
   if (enable_webrtc) {
     sources += [
       "../renderer/media/mock_data_channel_impl.cc",
       "../renderer/media/mock_data_channel_impl.h",
       "../renderer/media/mock_media_stream_dispatcher.cc",
       "../renderer/media/mock_media_stream_dispatcher.h",
       "../renderer/media/mock_peer_connection_impl.cc",
       "../renderer/media/mock_peer_connection_impl.h",
@@ skipping 1404 matching lines @@
   if (is_android) {
     deps += [ "//testing/android/native_test:native_test_native_code" ]
   }
 }
 
 group("fuzzers") {
   deps = [
     "//content/test/fuzzer",
   ]
 }