[Chromecast] Include locale resources on Android.

Before, we weren't packaging localized pak files with the Android cast
shell, and ResourceBundle wasn't looking in the APK assets for these pak
files.

Bug: internal b/70031131
Test: CQ and tried it out with an Android build
Change-Id: I65adbaf552dfce6be62c4c4035d221f42b330c4d
Reviewed-on: https://chromium-review.googlesource.com/807406
Reviewed-by: Luke Halliwell <halliwell@chromium.org>
Commit-Queue: Thoren Paulson <thoren@chromium.org>
Cr-Commit-Position: refs/heads/master@{#521807}

chromecast/BUILD.gn

@@ -557,6 +557,7 @@ if (is_android) {
     output = "$root_gen_dir/chromecast/android/${target_name}.h"
     exception_files = jni_exception_files
   }
+
   android_assets("cast_shell_apk_assets") {
     assert(v8_use_external_startup_data)
 
@@ -565,13 +566,31 @@ if (is_android) {
     ]
 
     deps = [
+      ":cast_shell_apk_locale_assets",
       ":cast_shell_pak",
       "//third_party/icu:icu_assets",
       "//v8:v8_external_startup_data_assets",
     ]
     disable_compression = true
   }
 
+  android_assets("cast_shell_apk_locale_assets") {
+    renaming_sources = []
+    renaming_destinations = []
+
+    foreach(locale, cast_locales) {
+      renaming_sources += [ "$root_out_dir/chromecast_locales/${locale}.pak" ]
+      renaming_destinations += [ "stored-locales/${locale}.pak" ]
+    }
+
+    deps = [
+      ":chromecast_locales_pak",
+    ]
+
+    treat_as_locale_paks = true
+    disable_compression = true
+  }
+
   android_apk("cast_shell_apk") {
     apk_name = "CastShell"
     android_manifest = "$root_gen_dir/cast_shell_manifest/AndroidManifest.xml"

chromecast/app/cast_main_delegate.cc

@@ -34,6 +34,7 @@
 #include "base/android/apk_assets.h"
 #include "chromecast/app/android/cast_crash_reporter_client_android.h"
 #include "chromecast/app/android/crash_handler.h"
+#include "ui/base/resource/resource_bundle_android.h"
 #elif defined(OS_LINUX)
 #include "chromecast/app/linux/cast_crash_reporter_client.h"
 #endif  // defined(OS_LINUX)
@@ -203,6 +204,8 @@ void CastMainDelegate::InitializeResourceBundle() {
     DCHECK_GE(pak_fd, 0);
     global_descriptors->Set(kAndroidPakDescriptor, pak_fd, pak_region);
   }
+
+  ui::SetLocalePaksStoredInApk(true);
 #endif  // defined(OS_ANDROID)
 
   resource_delegate_.reset(new CastResourceDelegate());