Implement IsReadyToPay handling

content/public/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")
 
 android_aidl("common_aidl") {
   interface_file = "java/src/org/chromium/content/common/common.aidl"
   import_include = "java/src"
   sources = [
     "java/src/org/chromium/content/common/IChildProcessCallback.aidl",
     "java/src/org/chromium/content/common/IChildProcessService.aidl",
   ]
 }
 
+android_aidl("is_ready_to_pay_service_aidl") {
+  interface_file = "java/src/org/chromium/payments_common.aidl"
+  sources = [
+    "java/src/org/chromium/IsReadyToPayService.aidl",
+    "java/src/org/chromium/IsReadyToPayServiceCallback.aidl",
+  ]
+}
+
 android_resources("content_java_resources") {
   deps = [
     ":content_strings_grd",
     "//ui/android:ui_java_resources",
   ]
   custom_package = "org.chromium.content"
   resource_dirs = [ "java/res" ]
 }
 
 android_library("content_java") {
@@ skipping 27 matching lines @@
     "//third_party/WebKit/public:mojo_bindings_java",
     "//third_party/android_tools:android_support_annotations_java",
     "//third_party/jsr-305:jsr_305_javalib",
     "//ui/accessibility:ui_accessibility_java",
     "//ui/android:ui_java",
     "//ui/gfx/geometry/mojo:mojo_java",
   ]
 
   srcjar_deps = [
     ":common_aidl",
+    ":is_ready_to_pay_service_aidl",
     ":content_public_android_java_enums_srcjar",
     "//content/browser/accessibility:content_browser_accessibility_java_enums_srcjar",
     "//ui/touch_selection:ui_touch_selection_enums_srcjar",
     "//ui/touch_selection:ui_touch_handle_orientation_srcjar",
   ]
 
   java_files = [
     "java/src/org/chromium/content/app/ChildProcessService.java",
     "java/src/org/chromium/content/app/ChildProcessServiceImpl.java",
     "java/src/org/chromium/content/app/ChromiumLinkerParams.java",
@@ skipping 379 matching lines @@
     "junit/src/org/chromium/content/browser/input/ThreadedInputConnectionTest.java",
     "junit/src/org/chromium/content/browser/picker/DateDialogNormalizerTest.java",
     "junit/src/org/chromium/content/browser/BindingManagerImplTest.java",
   ]
   deps = [
     ":content_java",
     "//base:base_java",
     "//base:base_java_test_support",
   ]
 }