Implement the basic testing infrastructure for FindRequestManager.

content/content_tests.gypi

 # Copyright (c) 2013 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.
 
 {
   'variables': {
     'layouttest_support_content_sources': [
       'public/test/layouttest_support.h',
       'public/test/nested_message_pump_android.cc',
       'public/test/nested_message_pump_android.h',
@@ skipping 136 matching lines @@
       'test/test_background_sync_context_impl.cc',
       'test/test_background_sync_context_impl.h',
       'test/test_background_sync_manager.cc',
       'test/test_background_sync_manager.h',
       'test/test_blink_web_unit_test_support.cc',
       'test/test_blink_web_unit_test_support.h',
       'test/test_content_browser_client.cc',
       'test/test_content_browser_client.h',
       'test/test_content_client.cc',
       'test/test_content_client.h',
+      'test/test_find_request_manager.cc',
+      'test/test_find_request_manager.h',
       'test/test_frame_navigation_observer.cc',
       'test/test_frame_navigation_observer.h',
       'test/test_navigation_url_loader.cc',
       'test/test_navigation_url_loader.h',
       'test/test_navigation_url_loader_delegate.cc',
       'test/test_navigation_url_loader_delegate.h',
       'test/test_navigation_url_loader_factory.cc',
       'test/test_navigation_url_loader_factory.h',
       'test/test_render_frame.cc',
       'test/test_render_frame.h',
@@ skipping 42 matching lines @@
       'browser/database_browsertest.cc',
       'browser/device_sensors/device_inertial_sensor_browsertest.cc',
       'browser/devtools/protocol/devtools_protocol_browsertest.cc',
       'browser/devtools/site_per_process_devtools_browsertest.cc',
       'browser/dom_storage/dom_storage_browsertest.cc',
       'browser/download/download_browsertest.cc',
       'browser/download/drag_download_file_browsertest.cc',
       'browser/download/mhtml_generation_browsertest.cc',
       'browser/download/save_package_browsertest.cc',
       'browser/fileapi/file_system_browsertest.cc',
+      'browser/find_request_manager_browsertest.cc',
       'browser/frame_host/frame_tree_browsertest.cc',
       'browser/frame_host/interstitial_page_impl_browsertest.cc',
       'browser/frame_host/navigation_controller_impl_browsertest.cc',
       'browser/frame_host/navigation_handle_impl_browsertest.cc',
       'browser/frame_host/render_frame_host_impl_browsertest.cc',
       'browser/frame_host/render_frame_host_manager_browsertest.cc',
       'browser/frame_host/render_frame_message_filter_browsertest.cc',
       'browser/frame_host/render_widget_host_view_child_frame_browsertest.cc',
       'browser/gpu/gpu_ipc_browsertests.cc',
       'browser/host_zoom_map_impl_browsertest.cc',
@@ skipping 1970 matching lines @@
                   'content_unittests_apk.isolate',
                 ],
               },
             ],
           },
         ],
       ],
     }],
   ],
 }