Rename ServiceWorkerContextObserver to ServiceWorkerContextCoreObserver.

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("//gpu/vulkan/features.gni")
 import("//media/media_options.gni")
 import("//ppapi/features/features.gni")
 import("//printing/features/features.gni")
@@ skipping 1326 matching lines @@
     "service_worker/link_header_support.cc",
     "service_worker/link_header_support.h",
     "service_worker/service_worker_blob_reader.cc",
     "service_worker/service_worker_blob_reader.h",
     "service_worker/service_worker_cache_writer.cc",
     "service_worker/service_worker_cache_writer.h",
     "service_worker/service_worker_client_utils.cc",
     "service_worker/service_worker_client_utils.h",
     "service_worker/service_worker_context_core.cc",
     "service_worker/service_worker_context_core.h",
-    "service_worker/service_worker_context_observer.h",
+    "service_worker/service_worker_context_core_observer.h",
     "service_worker/service_worker_context_request_handler.cc",
     "service_worker/service_worker_context_request_handler.h",
     "service_worker/service_worker_context_watcher.cc",
     "service_worker/service_worker_context_watcher.h",
     "service_worker/service_worker_context_wrapper.cc",
     "service_worker/service_worker_context_wrapper.h",
     "service_worker/service_worker_controllee_request_handler.cc",
     "service_worker/service_worker_controllee_request_handler.h",
     "service_worker/service_worker_data_pipe_reader.cc",
     "service_worker/service_worker_data_pipe_reader.h",
@@ skipping 791 matching lines @@
   if (!is_component_build) {
     public_deps = [
       ":browser",
     ]
   } else {
     public_deps = [
       "//third_party/leveldatabase",
     ]
   }
 }