Move content/child/background_sync to Blink.

content/child/background_sync/background_sync_type_converters.h

Index: content/child/background_sync/background_sync_type_converters.h
diff --git a/content/child/background_sync/background_sync_type_converters.h b/content/child/background_sync/background_sync_type_converters.h
index 952d50d0c1c32d7dad988f0f5009502d6638ea5d..974f31a4457990e3a191ae1a61d3ea4d909ae8c0 100644
--- a/content/child/background_sync/background_sync_type_converters.h
+++ b/content/child/background_sync/background_sync_type_converters.h
@@ -10,7 +10,6 @@
 #include "content/common/content_export.h"
 #include "mojo/public/cpp/bindings/type_converter.h"
 #include "third_party/WebKit/public/platform/modules/background_sync/WebSyncError.h"
-#include "third_party/WebKit/public/platform/modules/background_sync/WebSyncRegistration.h"
 #include "third_party/WebKit/public/platform/modules/background_sync/background_sync.mojom.h"
 #include "third_party/WebKit/public/web/modules/serviceworker/WebServiceWorkerContextProxy.h"
 
@@ -20,40 +19,6 @@ namespace mojo {
 //     blink::mojom::BackgroundSyncNetworkState
 
 template <>
-struct CONTENT_EXPORT TypeConverter<blink::WebSyncRegistration::NetworkState,
-                                    blink::mojom::BackgroundSyncNetworkState> {
-  static blink::WebSyncRegistration::NetworkState Convert(
-      blink::mojom::BackgroundSyncNetworkState input);
-};
-
-template <>
-struct CONTENT_EXPORT TypeConverter<blink::mojom::BackgroundSyncNetworkState,
-                                    blink::WebSyncRegistration::NetworkState> {
-  static blink::mojom::BackgroundSyncNetworkState Convert(
-      blink::WebSyncRegistration::NetworkState input);
-};
-
-// blink::WebSyncRegistration <=>
-//     blink::mojom::SyncRegistration
-
-template <>
-struct CONTENT_EXPORT TypeConverter<std::unique_ptr<blink::WebSyncRegistration>,
-                                    blink::mojom::SyncRegistrationPtr> {
-  static std::unique_ptr<blink::WebSyncRegistration> Convert(
-      const blink::mojom::SyncRegistrationPtr& input);
-};
-
-template <>
-struct CONTENT_EXPORT TypeConverter<blink::mojom::SyncRegistrationPtr,
-                                    blink::WebSyncRegistration> {
-  static blink::mojom::SyncRegistrationPtr Convert(
-      const blink::WebSyncRegistration& input);
-};
-
-// blink::WebServiceWorkerContextProxy::LastChanceOption <=>
-//    blink::mojom::BackgroundSyncEventLastChance
-
-template <>
 struct CONTENT_EXPORT
     TypeConverter<blink::WebServiceWorkerContextProxy::LastChanceOption,
                   blink::mojom::BackgroundSyncEventLastChance> {