Move some files from sync/engine to internal_api

chrome/chrome.gyp

Index: chrome/chrome.gyp
diff --git a/chrome/chrome.gyp b/chrome/chrome.gyp
index 42540b1aaf7f89f933ffb7bee41b62c908b4933a..ab5600ac9a51d44b3dd2cadcd084729823a54efc 100644
--- a/chrome/chrome.gyp
+++ b/chrome/chrome.gyp
@@ -505,19 +505,23 @@
       'target_name': 'syncapi_core',
       'type': 'static_library',
       'sources': [
-        'browser/sync/engine/configure_reason.h',
-        'browser/sync/engine/http_post_provider_factory.h',
-        'browser/sync/engine/http_post_provider_interface.h',
         'browser/sync/engine/syncapi_internal.cc',
         'browser/sync/engine/syncapi_internal.h',
         'browser/sync/internal_api/base_node.cc',
         'browser/sync/internal_api/base_node.h',
         'browser/sync/internal_api/base_transaction.cc',
         'browser/sync/internal_api/base_transaction.h',
+        'browser/sync/internal_api/change_reorder_buffer.cc',
+        'browser/sync/internal_api/change_reorder_buffer.h',
+        'browser/sync/internal_api/configure_reason.h',
+        'browser/sync/internal_api/http_post_provider_factory.h',
+        'browser/sync/internal_api/http_post_provider_interface.h',
         'browser/sync/internal_api/read_node.cc',
         'browser/sync/internal_api/read_node.h',
         'browser/sync/internal_api/read_transaction.cc',
         'browser/sync/internal_api/read_transaction.h',
+        'browser/sync/internal_api/syncapi_server_connection_manager.cc',
+        'browser/sync/internal_api/syncapi_server_connection_manager.h',
         'browser/sync/internal_api/sync_manager.cc',
         'browser/sync/internal_api/sync_manager.h',
         'browser/sync/internal_api/user_share.cc',
@@ -602,8 +606,6 @@
         'browser/sync/engine/build_and_process_conflict_sets_command.h',
         'browser/sync/engine/build_commit_command.cc',
         'browser/sync/engine/build_commit_command.h',
-        'browser/sync/engine/change_reorder_buffer.cc',
-        'browser/sync/engine/change_reorder_buffer.h',
         'browser/sync/engine/cleanup_disabled_types_command.cc',
         'browser/sync/engine/cleanup_disabled_types_command.h',
         'browser/sync/engine/clear_data_command.cc',
@@ -620,8 +622,6 @@
         'browser/sync/engine/model_safe_worker.h',
         'browser/sync/engine/net/server_connection_manager.cc',
         'browser/sync/engine/net/server_connection_manager.h',
-        'browser/sync/engine/net/syncapi_server_connection_manager.cc',
-        'browser/sync/engine/net/syncapi_server_connection_manager.h',
         'browser/sync/engine/net/url_translator.cc',
         'browser/sync/engine/net/url_translator.h',
         'browser/sync/engine/nigori_util.cc',