Add Phone/Tablet device types for syncing session from Android.

chrome/browser/sync/protocol/proto_enum_conversions.cc

Index: chrome/browser/sync/protocol/proto_enum_conversions.cc
diff --git a/chrome/browser/sync/protocol/proto_enum_conversions.cc b/chrome/browser/sync/protocol/proto_enum_conversions.cc
index 4832b85635e17b6f3d8a59311796dbf8f7b4b26b..030e53f9697c9754b0e357fbffa00ea5a625ae7f 100644
--- a/chrome/browser/sync/protocol/proto_enum_conversions.cc
+++ b/chrome/browser/sync/protocol/proto_enum_conversions.cc
@@ -92,13 +92,15 @@ const char* GetUpdatesSourceString(
 
 const char* GetDeviceTypeString(
     sync_pb::SessionHeader::DeviceType device_type) {
-  ASSERT_ENUM_BOUNDS(sync_pb::SessionHeader, DeviceType, TYPE_WIN, TYPE_OTHER);
+  ASSERT_ENUM_BOUNDS(sync_pb::SessionHeader, DeviceType, TYPE_WIN, TYPE_TABLET);
   switch (device_type) {
     ENUM_CASE(sync_pb::SessionHeader, TYPE_WIN);
     ENUM_CASE(sync_pb::SessionHeader, TYPE_MAC);
     ENUM_CASE(sync_pb::SessionHeader, TYPE_LINUX);
     ENUM_CASE(sync_pb::SessionHeader, TYPE_CROS);
     ENUM_CASE(sync_pb::SessionHeader, TYPE_OTHER);
+    ENUM_CASE(sync_pb::SessionHeader, TYPE_PHONE);
+    ENUM_CASE(sync_pb::SessionHeader, TYPE_TABLET);
   }
   NOTREACHED();
   return "";