Add AAR support to Chrome and convert support libraries to using AARs

build/secondary/third_party/android_tools/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/rules.gni")
 
 config("cpu_features_include") {
   include_dirs = [ "ndk/sources/android/cpufeatures" ]
 }
 
@@ skipping 14 matching lines @@
 
   configs -= [ "//build/config/compiler:chromium_code" ]
   configs += [
     "//build/config/compiler:no_chromium_code",
 
     # Must be after no_chromium_code for warning flags to be ordered correctly.
     ":cpu_features_warnings",
   ]
 }
 
+lib_version = "23.2.1"
+lib_path = "$android_sdk_root/extras/android/m2repository/com/android/support"
+
 android_java_prebuilt("android_gcm_java") {
   jar_path = "$android_sdk_root/extras/google/gcm/gcm-client/dist/gcm.jar"
 }
 
 android_java_prebuilt("emma_device") {
   jar_path = "$android_sdk_root/tools/lib/emma_device.jar"
 }
 
-android_resources("android_support_design_resources") {
-  v14_skip = true
+android_aar_prebuilt("android_support_design_java") {
   deps = [
-    ":android_support_v7_appcompat_resources",
+    ":android_support_v7_appcompat_java",
   ]
-  resource_dirs = [ "$android_sdk_root/extras/android/support/design/res" ]
-  custom_package = "android.support.design"
+  lib_name = "design"
+  aar_path = "$lib_path/$lib_name/$lib_version/$lib_name-$lib_version.aar"
 }
 
-android_java_prebuilt("android_support_design_java") {
-  deps = [
-    ":android_support_design_resources",
-  ]
-  jar_path = "$android_sdk_root/extras/android/support/design/libs/android-support-design.jar"
+android_aar_prebuilt("android_support_multidex_java") {
+  requires_android = false

[jbudorick, 2016/07/19 13:14:06]

This seems ... nonintuitive.

[Ian Wen, 2016/07/19 18:36:48]

Added TODO. Done.

+  aar_path = "$lib_path/multidex/1.0.1/multidex-1.0.1.aar"
 }
 
-java_prebuilt("android_support_multidex_java") {
-  supports_android = true
-  jar_path = "$android_sdk_root/extras/android/support/multidex/library/libs/android-support-multidex.jar"
+android_java_prebuilt("android_support_annotations_java") {
+  lib_name = "support-annotations"
+  jar_path = "$lib_path/$lib_name/$lib_version/$lib_name-$lib_version.jar"
 }
 
-android_java_prebuilt("android_support_v13_java") {
-  jar_path =
-      "$android_sdk_root/extras/android/support/v13/android-support-v13.jar"
+android_aar_prebuilt("android_support_v4_java") {
+  lib_name = "support-v4"
+  aar_path = "$lib_path/$lib_name/$lib_version/$lib_name-$lib_version.aar"
 }
 
-android_resources("android_support_v7_appcompat_resources") {
-  v14_skip = true
-  resource_dirs =
-      [ "$android_sdk_root/extras/android/support/v7/appcompat/res" ]
-  custom_package = "android.support.v7.appcompat"
+android_aar_prebuilt("android_support_v13_java") {
+  deps = [
+    ":android_support_annotations_java",
+    ":android_support_v4_java",
+  ]
+  lib_name = "support-v13"
+  aar_path = "$lib_path/$lib_name/$lib_version/$lib_name-$lib_version.aar"
 }
 
-android_java_prebuilt("android_support_v7_appcompat_java") {
-  deps = [
-    ":android_support_v7_appcompat_resources",
-  ]
-  jar_path = "$android_sdk_root/extras/android/support/v7/appcompat/libs/android-support-v7-appcompat.jar"
+android_aar_prebuilt("android_support_v7_appcompat_java_internal") {
+  lib_name = "appcompat-v7"
+  aar_path = "$lib_path/$lib_name/$lib_version/$lib_name-$lib_version.aar"
 }
 
-android_resources("android_support_v7_mediarouter_resources") {
-  v14_skip = true
-  resource_dirs =
-      [ "$android_sdk_root/extras/android/support/v7/mediarouter/res" ]
+java_group("android_support_v7_appcompat_java") {
   deps = [
-    ":android_support_v7_appcompat_resources",
+    ":android_support_v4_java",
+    ":android_support_v7_appcompat_java_internal",
   ]
-  custom_package = "android.support.v7.mediarouter"
 }
 
-android_java_prebuilt("android_support_v7_mediarouter_java") {
+android_aar_prebuilt("android_support_v7_mediarouter_java") {
   deps = [
     ":android_support_v7_appcompat_java",
-    ":android_support_v7_mediarouter_resources",
   ]
-  jar_path = "$android_sdk_root/extras/android/support/v7/mediarouter/libs/android-support-v7-mediarouter.jar"
+  lib_name = "mediarouter-v7"
+  aar_path = "$lib_path/$lib_name/$lib_version/$lib_name-$lib_version.aar"
 }
 
-android_resources("android_support_v7_recyclerview_resources") {
-  v14_skip = true
-  resource_dirs =
-      [ "$android_sdk_root/extras/android/support/v7/recyclerview/res" ]
-  custom_package = "android.support.v7.recyclerview"
-}
-
-android_java_prebuilt("android_support_v7_recyclerview_java") {
+android_aar_prebuilt("android_support_v7_recyclerview_java") {
   deps = [
     ":android_support_v7_appcompat_java",
-    ":android_support_v7_recyclerview_resources",
   ]
-  jar_path = "$android_sdk_root/extras/android/support/v7/recyclerview/libs/android-support-v7-recyclerview.jar"
+  lib_name = "recyclerview-v7"
+  aar_path = "$lib_path/$lib_name/$lib_version/$lib_name-$lib_version.aar"
 }
 
 android_resources("google_play_services_default_resources") {
   v14_skip = true
   resource_dirs = [ "$android_sdk_root/extras/google/google_play_services/libproject/google-play-services_lib/res" ]
   custom_package = "com.google.android.gms"
 }
+
 android_java_prebuilt("google_play_services_default_java") {
   deps = [
-    ":android_support_v13_java",
+    ":android_support_annotations_java",
+    ":android_support_v4_java",
     ":android_support_v7_mediarouter_java",
     ":google_play_services_default_resources",
   ]
   input_jars_paths = [ "$android_sdk/optional/org.apache.http.legacy.jar" ]
   proguard_preprocess = true
   proguard_config = "//third_party/android_tools/proguard.flags"
   jar_path = "$android_sdk_root/extras/google/google_play_services/libproject/google-play-services_lib/libs/google-play-services.jar"
 }
 
-android_resources("android_support_v17_leanback_resources") {
-  v14_skip = true
-  resource_dirs =
-      [ "$android_sdk_root/extras/android/support/v17/leanback/res" ]
-  custom_package = "android.support.v17.leanback"
-}
-
-android_java_prebuilt("android_support_v17_leanback_java") {
+android_aar_prebuilt("android_support_v17_leanback_java") {
   deps = [
-    ":android_support_v17_leanback_resources",
     ":android_support_v7_recyclerview_java",
   ]
-  jar_path = "$android_sdk_root/extras/android/support/v17/leanback/libs/android-support-v17-leanback.jar"
+  lib_name = "leanback-v17"
+  aar_path = "$lib_path/$lib_name/$lib_version/$lib_name-$lib_version.aar"
 }
 
 # TODO(jbudorick): Remove this once net_java_test_support no longer needs it.
 android_java_prebuilt("legacy_http_javalib") {
   testonly = true
   jar_path = "$android_sdk/optional/org.apache.http.legacy.jar"
 }