Remove RendererDataMemoizingStore which isn't used anymore after r417444.

content/browser/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("//media/media_options.gni")
 import("//tools/ipc_fuzzer/ipc_fuzzer.gni")
 
 source_set("browser") {
@@ skipping 911 matching lines @@
     "profiler_controller_impl.cc",
     "profiler_controller_impl.h",
     "profiler_message_filter.cc",
     "profiler_message_filter.h",
     "push_messaging/push_messaging_message_filter.cc",
     "push_messaging/push_messaging_message_filter.h",
     "push_messaging/push_messaging_router.cc",
     "push_messaging/push_messaging_router.h",
     "quota_dispatcher_host.cc",
     "quota_dispatcher_host.h",
-    "renderer_data_memoizing_store.h",
     "renderer_host/clipboard_message_filter.cc",
     "renderer_host/clipboard_message_filter.h",
     "renderer_host/clipboard_message_filter_mac.mm",
     "renderer_host/compositor_resize_lock_aura.cc",
     "renderer_host/compositor_resize_lock_aura.h",
     "renderer_host/database_message_filter.cc",
     "renderer_host/database_message_filter.h",
     "renderer_host/delegated_frame_evictor.cc",
     "renderer_host/delegated_frame_evictor.h",
     "renderer_host/dip_util.cc",
@@ skipping 983 matching lines @@
   if (!is_component_build) {
     public_deps = [
       ":browser",
     ]
   } else {
     public_deps = [
       "//third_party/leveldatabase",
     ]
   }
 }