Rename storage-related export macros and build targets

webkit/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.
 
 component("storage") {
-  output_name = "webkit_storage_browser"
+  output_name = "storage"
   sources = [
-    "webkit_storage_browser_export.h",
+    "storage_export.h",
     "blob/blob_data_handle.cc",
     "blob/blob_data_handle.h",
     "blob/blob_storage_context.cc",
     "blob/blob_storage_context.h",
     "blob/blob_url_request_job.cc",
     "blob/blob_url_request_job.h",
     "blob/blob_url_request_job_factory.cc",
     "blob/blob_url_request_job_factory.h",
     "blob/file_stream_reader.cc",
     "blob/file_stream_reader.h",
@@ skipping 164 matching lines @@
   sources = [
     "fileapi/dump_file_system.cc",
   ]
 
   deps = [
     ":storage",
     "//base",
     "//webkit/common:storage",
   ]
 }