Make payment manifest download/parse cross-platform

components/payments/content/android/BUILD.gn

Index: components/payments/content/android/BUILD.gn
diff --git a/components/payments/content/android/BUILD.gn b/components/payments/content/android/BUILD.gn
index 3f9e683313f3b60427a458d277b1e214d925f0fb..c5f1e75e718e1991e0aa39e622a9e236ba39e03d 100644
--- a/components/payments/content/android/BUILD.gn
+++ b/components/payments/content/android/BUILD.gn
@@ -18,30 +18,13 @@ static_library("android") {
     "payment_manifest_parser_android.h",
   ]
   deps = [
-    ":downloader",
     ":jni_headers",
-    ":mojom",
     "//base",
-    "//components/payments/content:payment_request",
-    "//components/payments/content:payment_validation",
+    "//components/payments/content:mojom",
+    "//components/payments/content:utils",
     "//components/payments/core",
-    "//components/strings",
     "//content/public/browser",
     "//net",
-    "//ui/base",
-  ]
-}
-
-static_library("downloader") {
-  sources = [
-    "payment_manifest_downloader.cc",
-    "payment_manifest_downloader.h",
-  ]
-  deps = [
-    "//base",
-    "//components/data_use_measurement/core",
-    "//components/link_header_util",
-    "//net",
   ]
 }
 
@@ -63,30 +46,10 @@ android_library("java") {
     "java/src/org/chromium/components/payments/PaymentValidator.java",
   ]
   deps = [
-    ":mojom_java",
     "//base:base_java",
-    "//components/payments/content:payment_request_java",
+    "//components/payments/content:mojom_java",
+    "//components/payments/content:mojom_parser_java",
     "//content/public/android:content_java",
     "//mojo/public/java:bindings_java",
   ]
 }
-
-mojom("mojom") {
-  sources = [
-    "payment_manifest_parser.mojom",
-  ]
-}
-
-source_set("unit_tests") {
-  testonly = true
-  sources = [
-    "payment_manifest_downloader_unittest.cc",
-  ]
-  deps = [
-    ":downloader",
-    "//base",
-    "//content/test:test_support",
-    "//net:test_support",
-    "//testing/gtest",
-  ]
-}