Factor DocumentSubresourceFilter out of SubresourceFilterAgent.

components/subresource_filter.gypi

 # Copyright 2016 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.
 
 {
   'targets': [
     {
       # GN version: //components/subresource_filter/core/browser
       'target_name': 'subresource_filter_core_browser',
       'type': 'static_library',
@@ skipping 94 matching lines @@
       'sources': [
         # Note: sources list duplicated in GN build.
         'subresource_filter/core/common/proto/rules.proto',
       ],
       'variables': {
         'proto_in_dir': 'subresource_filter/core/common/proto',
         'proto_out_dir': 'components/subresource_filter/core/common/proto',
       },
       'includes': [ '../build/protoc.gypi' ],
     },
+    {
+      # GN version: //components/subresource_filter/core/common:test_support
+      'target_name': 'subresource_filter_core_common_test_support',
+      'type': 'static_library',
+      'dependencies': [
+        '../base/base.gyp:base',
+        '../testing/gtest.gyp:gtest',
+      ],
+      'include_dirs': [
+        '..',
+      ],
+      'sources': [
+        # Note: sources list duplicated in GN build.
+        'subresource_filter/core/common/test_ruleset_creator.cc',
+        'subresource_filter/core/common/test_ruleset_creator.h',
+      ],
+    },
   ],
   'conditions': [
     ['OS != "ios"', {
       'targets': [
         {
           # GN version: //components/subresource_filter/content/common
           'target_name': 'subresource_filter_content_common',
           'type': 'static_library',
           'dependencies': [
             '../content/content.gyp:content_common',
@@ skipping 20 matching lines @@
             '../content/content.gyp:content_renderer',
             '../ipc/ipc.gyp:ipc',
             'subresource_filter_content_common',
             'subresource_filter_core_common',
           ],
           'include_dirs': [
             '..',
           ],
           'sources': [
             # Note: sources list duplicated in GN build.
+            'subresource_filter/content/renderer/document_subresource_filter.cc',
+            'subresource_filter/content/renderer/document_subresource_filter.h',
             'subresource_filter/content/renderer/ruleset_dealer.cc',
             'subresource_filter/content/renderer/ruleset_dealer.h',
             'subresource_filter/content/renderer/subresource_filter_agent.cc',
             'subresource_filter/content/renderer/subresource_filter_agent.h',
           ],
         },
         {
           # GN version: //components/subresource_filter/content/browser
           'target_name': 'subresource_filter_content_browser',
           'type': 'static_library',
@@ skipping 17 matching lines @@
             'subresource_filter/content/browser/content_subresource_filter_driver.cc',
             'subresource_filter/content/browser/content_subresource_filter_driver.h',
             'subresource_filter/content/browser/content_subresource_filter_driver_factory.cc',
             'subresource_filter/content/browser/content_subresource_filter_driver_factory.h',
           ],
         },
       ],
     }],
   ],
 }