| Index: chrome/android/webapk/shell_apk/BUILD.gn | 
| diff --git a/chrome/android/webapk/shell_apk/BUILD.gn b/chrome/android/webapk/shell_apk/BUILD.gn | 
| index 3c9f4b26b77a3517dfa843cdc9f9dd5e102cfd12..285a1eb8025616e16acfde1d8718286a3b899668 100644 | 
| --- a/chrome/android/webapk/shell_apk/BUILD.gn | 
| +++ b/chrome/android/webapk/shell_apk/BUILD.gn | 
| @@ -66,6 +66,10 @@ android_apk("webapk") { | 
| "//chrome/android/webapk/libs/common", | 
| "//chrome/android/webapk/libs/runtime_library", | 
| ] | 
| +  if (!is_debug) { | 
| +    proguard_enabled = true | 
| +    proguard_configs = [ "//chrome/android/java/proguard.flags" ] | 
| +  } | 
| } | 
|  | 
| android_library("shell_apk_javatests") { | 
|  |