Move fileapi-related files from webkit/common/ to storage/common/ and set up redirect headers

BUG=338338
[email protected]

Review URL: https://codereview.chromium.org/524983002

Cr-Commit-Position: refs/heads/master@{#293228}
diff --git a/storage/common/BUILD.gn b/storage/common/BUILD.gn
new file mode 100644
index 0000000..5212a92
--- /dev/null
+++ b/storage/common/BUILD.gn
@@ -0,0 +1,46 @@
+# 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.
+
+# GYP version: storage/storage_common.gyp:storage_common
+component("common") {
+  output_name = "storage_common"
+  sources = [
+    "data_element.cc",
+    "data_element.h",
+    "storage_common_export.h",
+    "blob/blob_data.cc",
+    "blob/blob_data.h",
+    "blob/scoped_file.cc",
+    "blob/scoped_file.h",
+    "blob/shareable_file_reference.cc",
+    "blob/shareable_file_reference.h",
+    "database/database_connections.cc",
+    "database/database_connections.h",
+    "database/database_identifier.cc",
+    "database/database_identifier.h",
+    "fileapi/directory_entry.cc",
+    "fileapi/directory_entry.h",
+    "fileapi/file_system_info.cc",
+    "fileapi/file_system_info.h",
+    "fileapi/file_system_mount_option.h",
+    "fileapi/file_system_types.h",
+    "fileapi/file_system_util.cc",
+    "fileapi/file_system_util.h",
+    "quota/quota_status_code.cc",
+    "quota/quota_status_code.h",
+    "quota/quota_types.h",
+  ]
+
+  defines = [ "STORAGE_COMMON_IMPLEMENTATION" ]
+  if (is_win) {
+    cflags = [ "/wd4267" ]  # TODO(jschuh): fix size_t to int truncations.
+  }
+
+  deps = [
+    "//base",
+    "//base/third_party/dynamic_annotations",
+    "//net",
+    "//url",
+  ]
+}