Componentize renderer side of DNS prefetching.

components/predictor.gypi

+# 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.
+
+{
+  'targets': [
+    {
+      # GN version: //components/predictor/common
+      'target_name': 'predictor_common',
+      'type': 'static_library',
+      'include_dirs': [
+        '..',
+      ],
+      'dependencies': [
+        '../base/base.gyp:base',
+      ],
+      'sources': [
+        'predictor/common/predictor_common.cc',
+        'predictor/common/predictor_common.h',
+        'predictor/common/predictor_message_generator.cc',
+        'predictor/common/predictor_message_generator.h',
+        'predictor/common/predictor_messages.h',
+      ],
+    },
+    {
+      # GN version: //components/predictor/renderer
+      'target_name': 'predictor_renderer',
+      'type': 'static_library',
+      'include_dirs': [
+        '..',
+      ],
+      'dependencies': [
+        'predictor_common',
+        '../content/content.gyp:content_renderer',
+      ],
+      'sources': [
+        'predictor/renderer/predictor_queue.cc',
+        'predictor/renderer/predictor_queue.h',
+        'predictor/renderer/renderer_net_predictor.cc',
+        'predictor/renderer/renderer_net_predictor.h',
+      ],
+    },
+  ],
+}