diff --git a/patches/chrome-common-extensions-api-developer_private.webidl.patch b/patches/chrome-common-extensions-api-developer_private.webidl.patch
new file mode 100644
index 00000000000..079aae5757e
--- /dev/null
+++ b/patches/chrome-common-extensions-api-developer_private.webidl.patch
@@ -0,0 +1,12 @@
+diff --git a/chrome/common/extensions/api/developer_private.webidl b/chrome/common/extensions/api/developer_private.webidl
+index 8c06cf0457edc8ea89af53174c56db00c1199da7..669527d7677a3a396ca28095d99f669afa4ff580 100644
+--- a/chrome/common/extensions/api/developer_private.webidl
++++ b/chrome/common/extensions/api/developer_private.webidl
+@@ -224,6 +224,7 @@ dictionary ExtensionInfo {
+   required AccessModifier incognitoAccess;
+   required AccessModifier userScriptsAccess;
+   required boolean incognitoAccessPendingChange;
++  required boolean isSplitMode;
+   required sequence<DOMString> installWarnings;
+   required boolean isCommandRegistrationHandledExternally;
+   DOMString launchUrl;
diff --git a/patches/chrome-common-extensions-api-developer_private.idl.patch b/patches/tools-json_schema_compiler-test-converted_schemas-developer_private.idl.patch
similarity index 56%
rename from patches/chrome-common-extensions-api-developer_private.idl.patch
rename to patches/tools-json_schema_compiler-test-converted_schemas-developer_private.idl.patch
index fb73b62bed8..117287369a8 100644
--- a/patches/chrome-common-extensions-api-developer_private.idl.patch
+++ b/patches/tools-json_schema_compiler-test-converted_schemas-developer_private.idl.patch
@@ -1,7 +1,7 @@
-diff --git a/chrome/common/extensions/api/developer_private.idl b/chrome/common/extensions/api/developer_private.idl
+diff --git a/tools/json_schema_compiler/test/converted_schemas/developer_private.idl b/tools/json_schema_compiler/test/converted_schemas/developer_private.idl
 index 29ebd9733a2e7d2dcbe42abae3270e3ba59b4a12..db929dc26c98a182f4c43e4f134867755286b10a 100644
---- a/chrome/common/extensions/api/developer_private.idl
-+++ b/chrome/common/extensions/api/developer_private.idl
+--- a/tools/json_schema_compiler/test/converted_schemas/developer_private.idl
++++ b/tools/json_schema_compiler/test/converted_schemas/developer_private.idl
 @@ -229,6 +229,7 @@ namespace developerPrivate {
      AccessModifier incognitoAccess;
      AccessModifier userScriptsAccess;