Make browsing_data component a layered component

components/browsing_data/core/BUILD.gn

-# Copyright 2015 The Chromium Authors. All rights reserved.
+# 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.
 
 if (is_android) {
   import("//build/config/android/rules.gni")
 }
 
-static_library("browsing_data") {
-  output_name = "browsing_data"
+static_library("core") {
   sources = [
     "browsing_data_utils.cc",
     "browsing_data_utils.h",
-    "conditional_cache_deletion_helper.cc",
-    "conditional_cache_deletion_helper.h",
     "counters/browsing_data_counter.cc",
     "counters/browsing_data_counter.h",
     "pref_names.cc",
     "pref_names.h",
-    "storage_partition_http_cache_data_remover.cc",
-    "storage_partition_http_cache_data_remover.h",
   ]
 
-  configs += [ "//build/config/compiler:no_size_t_to_int_warning" ]
-
   deps = [
     "//base",
     "//components/prefs:prefs",
-    "//content/public/browser",
-    "//net",
   ]
 }
 
 if (is_android) {
   # GYP: //components/browsing_data.gypi:browsing_data_utils_java
   java_cpp_enum("browsing_data_utils_java") {
     sources = [
       "browsing_data_utils.h",
     ]
   }
 }