Add a new target for GmsCore integration.

android_webview/BUILD.gn

 # Copyright 2015 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("//android_webview/system_webview_apk_tmpl.gni")
 import("//android_webview/webview_repack_locales.gni")
 import("//build/config/android/config.gni")
 import("//build/config/android/rules.gni")
 import("//build/config/locales.gni")
 import("//components/spellcheck/spellcheck_build_features.gni")
@@ skipping 582 matching lines @@
     "java/src/org/chromium/android_webview/ErrorCodeConversionHelper.java",
     "java/src/org/chromium/android_webview/FullScreenView.java",
     "java/src/org/chromium/android_webview/HttpAuthDatabase.java",
     "java/src/org/chromium/android_webview/InputStreamUtil.java",
     "java/src/org/chromium/android_webview/JavaBrowserViewRendererHelper.java",
     "java/src/org/chromium/android_webview/JsPromptResultReceiver.java",
     "java/src/org/chromium/android_webview/JsResultHandler.java",
     "java/src/org/chromium/android_webview/JsResultReceiver.java",
     "java/src/org/chromium/android_webview/NullAwViewMethods.java",
     "java/src/org/chromium/android_webview/OverScrollGlow.java",
+
+    # TODO(gsennton): remove PlatformServiceBridge after downstream has been updated to depend on
+    # android_webview_platform_services_java
     "java/src/org/chromium/android_webview/PlatformServiceBridge.java",
     "java/src/org/chromium/android_webview/PopupTouchHandleDrawable.java",
     "java/src/org/chromium/android_webview/ResourcesContextWrapperFactory.java",
     "java/src/org/chromium/android_webview/ScrollAccessibilityHelper.java",
     "java/src/org/chromium/android_webview/SslUtil.java",
     "java/src/org/chromium/android_webview/permission/AwGeolocationCallback.java",
     "java/src/org/chromium/android_webview/permission/AwPermissionRequest.java",
     "java/src/org/chromium/android_webview/policy/AwPolicyProvider.java",
   ]
   deps = [
@@ skipping 65 matching lines @@
     "values-tl/android_webview_strings.xml",
     "values-tr/android_webview_strings.xml",
     "values-uk/android_webview_strings.xml",
     "values-vi/android_webview_strings.xml",
     "values-zh-rCN/android_webview_strings.xml",
     "values-zh-rTW/android_webview_strings.xml",
     "values/android_webview_strings.xml",
   ]
 }
 
+# Separate target to allow for a dependency on GmsCore without pulling in all of
+# android_webview_java.
+android_library("android_webview_platform_services_java") {
+  java_files =
+      [ "java/src/org/chromium/android_webview/PlatformServiceBridge.java" ]
+
+  deps = [
+    "//base:base_java",
+  ]
+}
+
 if (!use_webview_internal_framework) {
   system_webview_apk_tmpl("system_webview_apk") {
     android_manifest = system_webview_android_manifest
     android_manifest_dep = ":system_webview_manifest"
     deps = [
       ":system_webview_resources",
       "//android_webview/glue",
     ]
     apk_name = "SystemWebView"
   }
 }