Use the Errorprone Compiler

build/config/android/rules.gni

Index: build/config/android/rules.gni
diff --git a/build/config/android/rules.gni b/build/config/android/rules.gni
index 6140b5eaa3c8ce718c8a9c3d5bfefc174ef01525..b67dd81d33773df28450287a9cb17b9d879b8fd8 100644
--- a/build/config/android/rules.gni
+++ b/build/config/android/rules.gni
@@ -732,6 +732,7 @@ template("java_strings_grd_prebuilt") {
 #     android_library target, for example.
 #
 #   chromium_code: If true, extra analysis warning/errors will be enabled.
+#   enable_errorprone: If true, enables the errorprone compiler.
 #
 #   datadeps, testonly
 #
@@ -759,6 +760,9 @@ template("java_binary") {
     if (defined(invoker.deps)) {
       deps = invoker.deps
     }
+    if (defined(invoker.enable_errorprone)) {
+      enable_errorprone = invoker.enable_errorprone
+    }
     if (defined(invoker.java_files)) {
       java_files = invoker.java_files
     }
@@ -853,6 +857,8 @@ template("junit_binary") {
 #     ease the gyp->gn conversion and will be removed in the future.
 #
 #   chromium_code: If true, extra analysis warning/errors will be enabled.
+#   enable_errorprone: If true, enables the errorprone compiler.
+#
 #   jar_excluded_patterns: List of patterns of .class files to exclude from the
 #     final jar.
 #
@@ -901,6 +907,9 @@ template("java_library") {
     if (defined(invoker.deps)) {
       deps = invoker.deps
     }
+    if (defined(invoker.enable_errorprone)) {
+      enable_errorprone = invoker.enable_errorprone
+    }
     if (defined(invoker.jar_excluded_patterns)) {
       jar_excluded_patterns = invoker.jar_excluded_patterns
     }
@@ -992,6 +1001,8 @@ template("java_prebuilt") {
 #     ease the gyp->gn conversion and will be removed in the future.
 #
 #   chromium_code: If true, extra analysis warning/errors will be enabled.
+#   enable_errorprone: If true, enables the errorprone compiler.
+#
 #   jar_excluded_patterns: List of patterns of .class files to exclude from the
 #     final jar.
 #
@@ -1037,6 +1048,9 @@ template("android_library") {
     if (defined(invoker.deps)) {
       deps = invoker.deps
     }
+    if (defined(invoker.enable_errorprone)) {
+      enable_errorprone = invoker.enable_errorprone
+    }
     if (defined(invoker.jar_excluded_patterns)) {
       jar_excluded_patterns = invoker.jar_excluded_patterns
     }