Port ChromeSyncShell build rules to GN

BUG=475612
R=agrieve, newt, pvalenzuela, zea
TBR=brettw for .gn whitelisting usage fo gypi_to_gn in protocol_sources.gni

Review URL: https://codereview.chromium.org/1458353002

Cr-Commit-Position: refs/heads/master@{#361561}

3 files changed, 16 insertions, 46 deletions

diff --git a/sync/protocol/BUILD.gn b/sync/protocol/BUILD.gn
index 0fefbc5..f90ae70 100644
--- a/sync/protocol/BUILD.gn
+++ b/sync/protocol/BUILD.gn
@@ -3,6 +3,7 @@
 # found in the LICENSE file.
 
 import("//third_party/protobuf/proto_library.gni")
+import("protocol_sources.gni")
 
 # This must be a component for the dependency structure we have now, but the
 # proto_library generates a source set. Link those into a component.
@@ -15,49 +16,7 @@ component("protocol") {
 proto_library("protocol_internal") {
   visibility = [ ":protocol" ]
 
-  sources = [
-    "app_list_specifics.proto",
-    "app_notification_specifics.proto",
-    "app_setting_specifics.proto",
-    "app_specifics.proto",
-    "article_specifics.proto",
-    "attachments.proto",
-    "autofill_specifics.proto",
-    "bookmark_specifics.proto",
-    "client_commands.proto",
-    "client_debug_info.proto",
-    "device_info_specifics.proto",
-    "dictionary_specifics.proto",
-    "encryption.proto",
-    "entity_metadata.proto",
-    "experiment_status.proto",
-    "experiments_specifics.proto",
-    "extension_setting_specifics.proto",
-    "extension_specifics.proto",
-    "favicon_image_specifics.proto",
-    "favicon_tracking_specifics.proto",
-    "get_updates_caller_info.proto",
-    "history_delete_directive_specifics.proto",
-    "managed_user_setting_specifics.proto",
-    "managed_user_shared_setting_specifics.proto",
-    "managed_user_specifics.proto",
-    "managed_user_whitelist_specifics.proto",
-    "nigori_specifics.proto",
-    "password_specifics.proto",
-    "preference_specifics.proto",
-    "priority_preference_specifics.proto",
-    "search_engine_specifics.proto",
-    "session_specifics.proto",
-    "sync.proto",
-    "sync_enums.proto",
-    "synced_notification_app_info_specifics.proto",
-    "synced_notification_specifics.proto",
-    "test.proto",
-    "theme_specifics.proto",
-    "typed_url_specifics.proto",
-    "unique_position.proto",
-    "wifi_credential_specifics.proto",
-  ]
+  sources = sync_protocol_sources
 
   cc_generator_options = "dllexport_decl=SYNC_PROTO_EXPORT:"
   cc_include = "sync/protocol/sync_proto_export.h"
diff --git a/sync/protocol/protocol.gypi b/sync/protocol/protocol.gypi
index 82f7dd4..21aa65d 100644
--- a/sync/protocol/protocol.gypi
+++ b/sync/protocol/protocol.gypi
@@ -11,9 +11,6 @@
 
     # The list of sync protocol buffer definitions.
     'sync_proto_source_paths': [
-      # NOTE: If you add a file to this list, also add it to
-      # sync/protocol/BUILD.gn
-      # TODO(pvalenzuela): Eliminate the requirement to update the GN file.
       '<(sync_proto_sources_dir)/app_notification_specifics.proto',
       '<(sync_proto_sources_dir)/app_setting_specifics.proto',
       '<(sync_proto_sources_dir)/app_specifics.proto',
diff --git a/sync/protocol/protocol_sources.gni b/sync/protocol/protocol_sources.gni
new file mode 100644
index 0000000..86cefae
--- /dev/null
+++ b/sync/protocol/protocol_sources.gni
@@ -0,0 +1,14 @@
+# Copyright 2015 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.
+
+protocol_gypi =
+    exec_script("//build/gypi_to_gn.py",
+                [
+                  rebase_path("//sync/protocol/protocol.gypi"),
+                  "--replace=<(sync_proto_sources_dir)=//sync/protocol",
+                ],
+                "scope",
+                [ "//sync/protocol/protocol.gypi" ])
+
+sync_protocol_sources = protocol_gypi.sync_proto_source_paths