diff --git a/chrome/browser/flag_descriptions.h b/chrome/browser/flag_descriptions.h
index 61132b4..e3791292 100644
--- a/chrome/browser/flag_descriptions.h
+++ b/chrome/browser/flag_descriptions.h
@@ -320,6 +320,8 @@
 extern const char kEnableOutOfProcessHeapProfilingModeBrowser[];
 extern const char kEnableOutOfProcessHeapProfilingModeGpu[];
 extern const char kEnableOutOfProcessHeapProfilingModeRendererSampling[];
+extern const char kOutOfProcessHeapProfilingKeepSmallAllocations[];
+extern const char kOutOfProcessHeapProfilingKeepSmallAllocationsDescription[];
 
 extern const char kEnablePictureInPictureName[];
 extern const char kEnablePictureInPictureDescription[];