4 files changed, 31 insertions, 2 deletions
diff --git a/sync/protocol/app_specifics.proto b/sync/protocol/app_specifics.proto
index a7f09ec..374a219 100644
--- a/sync/protocol/app_specifics.proto
+++ b/sync/protocol/app_specifics.proto
@@ -47,7 +47,7 @@ message AppSpecifics {
   optional ExtensionSpecifics extension = 1;
 
   // Notification settings.
-  optional AppNotificationSettings notification_settings = 2; 
+  optional AppNotificationSettings notification_settings = 2;
 
   // This controls where on a page this application icon will appear.
   optional string app_launch_ordinal = 3;
@@ -56,5 +56,16 @@ message AppSpecifics {
   // This values only provide the order within the application pages, not within
   // all of the panels in the NTP.
   optional string page_ordinal = 4;
-}
 
+  // The possible launch types for an app.
+  // This enum should be kept in sync with extensions::LaunchType.
+  enum LaunchType {
+    PINNED = 0;
+    REGULAR = 1;
+    FULLSCREEN = 2;
+    WINDOW = 3;
+  }
+
+  // This describes how the extension should be launched.
+  optional LaunchType launch_type = 5;
+}
diff --git a/sync/protocol/proto_enum_conversions.cc b/sync/protocol/proto_enum_conversions.cc
index af95822..c624efe 100644
--- a/sync/protocol/proto_enum_conversions.cc
+++ b/sync/protocol/proto_enum_conversions.cc
@@ -170,6 +170,18 @@ const char* GetActionString(sync_pb::SyncEnums::Action action) {
 
 }
 
+const char* GetLaunchTypeString(sync_pb::AppSpecifics::LaunchType launch_type) {
+  ASSERT_ENUM_BOUNDS(sync_pb::AppSpecifics, LaunchType, PINNED, WINDOW);
+  switch (launch_type) {
+    ENUM_CASE(sync_pb::AppSpecifics, PINNED);
+    ENUM_CASE(sync_pb::AppSpecifics, REGULAR);
+    ENUM_CASE(sync_pb::AppSpecifics, FULLSCREEN);
+    ENUM_CASE(sync_pb::AppSpecifics, WINDOW);
+  }
+  NOTREACHED();
+  return "";
+}
+
 const char* GetDeviceTypeString(
     sync_pb::SyncEnums::DeviceType device_type) {
   ASSERT_ENUM_BOUNDS(sync_pb::SyncEnums, DeviceType, TYPE_WIN, TYPE_TABLET);
diff --git a/sync/protocol/proto_enum_conversions.h b/sync/protocol/proto_enum_conversions.h
index 6812cb7..224abbc 100644
--- a/sync/protocol/proto_enum_conversions.h
+++ b/sync/protocol/proto_enum_conversions.h
@@ -9,6 +9,7 @@
 
 #include "sync/base/sync_export.h"
 #include "sync/protocol/app_list_specifics.pb.h"
+#include "sync/protocol/app_specifics.pb.h"
 #include "sync/protocol/client_debug_info.pb.h"
 #include "sync/protocol/session_specifics.pb.h"
 #include "sync/protocol/sync.pb.h"
@@ -49,6 +50,10 @@ SYNC_EXPORT_PRIVATE const char* GetErrorTypeString(
 SYNC_EXPORT_PRIVATE const char* GetActionString(
     sync_pb::SyncEnums::Action action);
 
+SYNC_EXPORT_PRIVATE const char* GetLaunchTypeString(
+    sync_pb::AppSpecifics::LaunchType launch_type);
+
+
 const char* GetDeviceTypeString(sync_pb::SyncEnums::DeviceType device_type);
 
 const char* GetFaviconTypeString(sync_pb::SessionTab::FaviconType favicon_type);
diff --git a/sync/protocol/proto_value_conversions.cc b/sync/protocol/proto_value_conversions.cc
index b142919..be639425 100644
--- a/sync/protocol/proto_value_conversions.cc
+++ b/sync/protocol/proto_value_conversions.cc
@@ -389,6 +389,7 @@ base::DictionaryValue* AppSpecificsToValue(
   SET(notification_settings, AppSettingsToValue);
   SET_STR(app_launch_ordinal);
   SET_STR(page_ordinal);
+  SET_ENUM(launch_type, GetLaunchTypeString);
 
   return value;
 }