[android] Make main_dex_list.py use the same proguard as everything else.

build/config/android/internal_rules.gni

 # 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.
 
 # Do not add any imports to non-//build directories here.
 # Some projects (e.g. V8) do not have non-build directories DEPS'ed in.
 import("//build_overrides/build.gni")
 import("//build/config/android/config.gni")
 import("//build/config/dcheck_always_on.gni")
 import("//build/config/sanitizers/sanitizers.gni")
@@ skipping 23 matching lines @@
   "*android_webview/glue:glue",
   "//chrome/test/android/cast_emulator:cast_emulator",
 ]
 
 # Targets that match the whitelist but are not actually java targets.
 _java_target_blacklist = [
   "//chrome:packed_resources",
   "*:*_unpack_aar",
 ]
 
+_default_proguard_jar_path = "//third_party/proguard/lib/proguard.jar"
+
 # Write the target's .build_config file. This is a json file that contains a
 # dictionary of information about how to build this target (things that
 # require knowledge about this target's dependencies and cannot be calculated
 # at gn-time). There is a special syntax to add a value in that dictionary to
 # an action/action_foreachs args:
 #   --python-arg=@FileArg($rebased_build_config_path:key0:key1)
 # At runtime, such an arg will be replaced by the value in the build_config.
 # See build/android/gyp/write_build_config.py and
 # build/android/gyp/util/build_utils.py:ExpandFileArgs
 template("write_build_config") {
@@ skipping 701 matching lines @@
                              [
                                "deps",
                                "data_deps",
                                "public_deps",
                                "testonly",
                              ])
       script = "//build/android/gyp/proguard.py"
       if (defined(invoker.proguard_jar_path)) {
         _proguard_jar_path = invoker.proguard_jar_path
       } else {
-        _proguard_jar_path = "//third_party/proguard/lib/proguard.jar"
+        _proguard_jar_path = _default_proguard_jar_path
       }
       _output_jar_path = invoker.output_jar_path
       inputs = [
         _proguard_jar_path,
       ]
       if (defined(invoker.alternative_android_sdk_jar)) {
         inputs += [ invoker.alternative_android_sdk_jar ]
         _rebased_android_sdk_jar =
             rebase_path(invoker.alternative_android_sdk_jar)
       } else {
@@ skipping 155 matching lines @@
                                  "inputs",
                                  "sources",
                                  "testonly",
                                ])
 
         script = "//build/android/gyp/main_dex_list.py"
         depfile = "$target_gen_dir/$target_name.d"
 
         main_dex_rules = "//build/android/main_dex_classes.flags"
 
+        if (defined(invoker.proguard_jar_path)) {
+          _proguard_jar_path = invoker.proguard_jar_path
+        } else {
+          _proguard_jar_path = _default_proguard_jar_path
+        }
+
         if (!defined(inputs)) {
           inputs = []
         }
-        inputs += [ main_dex_rules ]
+        inputs += [
+          main_dex_rules,
+          _proguard_jar_path,
+        ]
 
         outputs = [
           _main_dex_list_path,
         ]
 
         args = [
           "--depfile",
           rebase_path(depfile, root_build_dir),
           "--android-sdk-tools",
           rebased_android_sdk_build_tools,
           "--main-dex-list-path",
           rebase_path(_main_dex_list_path, root_build_dir),
           "--main-dex-rules-path",
           rebase_path(main_dex_rules, root_build_dir),
+          "--proguard-path",
+          rebase_path(_proguard_jar_path, root_build_dir),
         ]
 
         if (defined(invoker.extra_main_dex_proguard_config)) {
           inputs += [ invoker.extra_main_dex_proguard_config ]
           args += [
             "--main-dex-rules-path",
             rebase_path(invoker.extra_main_dex_proguard_config, root_build_dir),
           ]
         }
 
@@ skipping 1808 matching lines @@
         rebase_path(root_build_dir, root_build_dir),
         "--packed-libraries-dir",
         rebase_path(_packed_libraries_dir, root_build_dir),
         "--libraries=${invoker.libraries_filearg}",
         "--filelistjson",
         rebase_path(invoker.file_list_json, root_build_dir),
       ]
     }
   }
 }