Move resource_loader_bridge.* from webkit/child to content/child.

content/renderer/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/features.gni")
 import("//build/config/ui.gni")
 import("//content/renderer/renderer.gni")
 
 source_set("renderer") {
   # Only targets in the content tree can depend directly on this target.
@@ skipping 28 matching lines @@
     "//third_party/icu",
     "//third_party/libjingle",
     "//third_party/npapi",
     "//third_party/WebKit/public:blink",
     "//third_party/widevine/cdm:version_h",
     "//ui/accessibility",
     "//ui/events:dom4_keycode_converter",
     "//ui/native_theme",
     "//ui/surface",
     "//v8",
-    "//webkit/child",
     "//webkit/common/gpu",
   ]
 
   if (!enable_notifications) {
     sources -= [
       "notification_provider.cc",
       "active_notification_tracker.cc",
     ]
   }
 
@@ skipping 102 matching lines @@
   if (enable_plugins && enable_webrtc) {
     sources += rebase_path(
         content_renderer_gypi_values.private_renderer_plugin_webrtc_sources,
         ".", "//content")
   }
 
   if (printing_mode == 1) {
     deps += [ "//printing" ]
   }
 }