Enable proguard for apks

chrome/android/BUILD.gn

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//build/config/android/config.gni")
 import("//build/config/android/rules.gni")
 import("//build/module_args/v8.gni")
 import("//chrome/version.gni")
 import("//testing/test.gni")
 import("//third_party/icu/config.gni")
@@ skipping 358 matching lines @@
   #TODO(GYP):
   #'variables': {
   #'conditions': [
   #['component != "shared_library" and target_arch != "arm64" and target_arch != "x64" and profiling_full_stack_frames != 1', {
   ## Only enable the chromium linker on regular builds, since the
   ## component build crashes on Android 4.4. See b/11379966
   #'use_chromium_linker': '1',
   #}],
   #],
   #},
+  if (!is_debug) {
+    proguard_enabled = true
+    proguard_configs = [ "shell/java/proguard.flags" ]
+  }
 }
 
 chrome_sync_shell_manifest =
     "$target_gen_dir/chrome_sync_shell_manifest/AndroidManifest.xml"
 
 # GYP: //chrome/chrome_shell.gypi:chrome_sync_shell_manifest
 jinja_template("chrome_sync_shell_manifest") {
   testonly = true
   input = "sync_shell/java/AndroidManifest.xml.jinja2"
   output = chrome_sync_shell_manifest
@@ skipping 64 matching lines @@
     "//content/public/test/android:content_java_test_support",
     "//third_party/android_tools:android_support_v13_java",
     "//third_party/android_tools:android_support_v7_appcompat_java",
     "//ui/android:ui_java",
   ]
   DEPRECATED_java_in_dir = "shell/javatests/src"
 }
 
 # GYP: //chrome/chrome_tests.gypi:chrome_shell_test_apk
 android_apk("chrome_shell_test_apk") {
+  if (!is_debug) {
+    proguard_enabled = true
+  }
   testonly = true
   apk_under_test = ":chrome_shell_apk"
   deps = [
     ":chrome_javatests",
     ":chrome_shell_test_java",
     "//sync/android:sync_javatests",
     "//testing/android/broker:broker_java",
     "//ui/android:ui_javatests",
   ]
   datadeps = [
@@ skipping 302 matching lines @@
   defines = []
 }
 
 proto_library("proto") {
   sources = [
     "../browser/android/proto/client_discourse_context.proto",
     "../browser/android/proto/delta_file.proto",
   ]
   proto_out_dir = "chrome/browser/android/proto"
 }