base/android/base_proguard_config.flags

# Keep line number information, useful for stack traces.
-keepattributes SourceFile,LineNumberTable

# Keep all runtime visible annotations
-keepattributes RuntimeVisibleAnnotations

# Keep the annotations, because if we don't, the ProGuard rules that use them
# will not be respected. These classes then show up in our final dex, which we
# do not want - see crbug.com/628226.
-keep @interface org.chromium.base.annotations.AccessedByNative
-keep @interface org.chromium.base.annotations.CalledByNative
-keep @interface org.chromium.base.annotations.CalledByNativeUnchecked
-keep @interface org.chromium.base.annotations.RemovableInRelease
-keep @interface org.chromium.base.annotations.UsedByReflection

# Keeps for class level annotations.
-keep @org.chromium.base.annotations.UsedByReflection class *

# Keeps for method level annotations.
-keepclasseswithmembers class * {
  @android.webkit.JavascriptInterface <methods>;
}
-keepclasseswithmembers class * {
  @org.chromium.base.annotations.AccessedByNative <fields>;
}
-keepclasseswithmembers,includedescriptorclasses class * {
  @org.chromium.base.annotations.CalledByNative <methods>;
}
-keepclasseswithmembers,includedescriptorclasses class * {
  @org.chromium.base.annotations.CalledByNativeUnchecked <methods>;
}
-keepclasseswithmembers class * {
  @org.chromium.base.annotations.UsedByReflection <methods>;
}
-keepclasseswithmembers,includedescriptorclasses class * {
  native <methods>;
}

# Remove methods annotated with this if their return value is unused
-assumenosideeffects class ** {
  @org.chromium.base.annotations.RemovableInRelease <methods>;
}

# Allows Proguard freedom in removing these log related calls. We ask for debug
# and verbose logs to be stripped out in base.Log, so we are just ensuring we
# get rid of all other debug/verbose logs.
-assumenosideeffects class android.util.Log {
  static *** d(...);
  static *** v(...);
  static *** isLoggable(...);
}

# Class merging provides negligible .dex size reduction and method count
# reduction (about 0.3% improvement on method count, and 0.1% savings on size),
# and it messes up stack traces if the classes are optimized. Thus, it is in our
# best interests to turn it off. See crbug.com/620323
-optimizations !class/merging/*

# Allowing Proguard to change modifiers. This change shrinks the .dex size by
# ~1.1%, and reduces the method count by ~4.3%.
-allowaccessmodification

# Keep all enum values and valueOf methods. See
# http://proguard.sourceforge.net/index.html#manual/examples.html
# for the reason for this. Also, see http://crbug.com/248037.
-keepclassmembers enum * {
    public static **[] values();
    public static ** valueOf(java.lang.String);
}