[Passwords] Add stubs for native Password Checkup on Android

This change adds stubs for integrating the native Password Checkup on
Android for the Leak Detection feature.

Bug: 986317
Change-Id: Idf57d8a812ee11e6d862dbd68ecb54ea58aff738
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1773221Reviewed-by: Ioana Pandele <ioanap@chromium.org>
Commit-Queue: Jan Wilken Dörrie <jdoerrie@chromium.org>
Cr-Commit-Position: refs/heads/master@{#691036}

chrome/android/java/src/org/chromium/chrome/browser/password_manager/GooglePasswordManagerUIProvider.java

@@ -16,4 +16,15 @@ public interface GooglePasswordManagerUIProvider {
      * @return Whether showing the Google Password Manager UI was possible or not.
      **/
     boolean showGooglePasswordManager(Activity activity);
+
+    /**
+     * Launches the Password Checkup if possible.
+     *
+     * @param activity The activity from which to launch the Password Checkup.
+     * @return Whether launching the Password Checkup was possible or not.
+     **/
+    // TODO(crbug.com/986317): Drop the default action once the method is implemented downstream.
+    default boolean launchPasswordCheckup(Activity activity) {
+        return false;
+    }
 }

chrome/android/java/src/org/chromium/chrome/browser/password_manager/PasswordCheckupLauncher.java

@@ -7,6 +7,7 @@ import android.content.Intent;
 import android.net.Uri;
 
 import org.chromium.base.annotations.CalledByNative;
+import org.chromium.chrome.browser.AppHooks;
 import org.chromium.chrome.browser.ChromeActivity;
 import org.chromium.ui.base.WindowAndroid;
 
@@ -16,9 +17,18 @@ import org.chromium.ui.base.WindowAndroid;
 public class PasswordCheckupLauncher {
     @CalledByNative
     private static void launchCheckup(String checkupUrl, WindowAndroid windowAndroid) {
-        Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(checkupUrl));
         ChromeActivity activity = (ChromeActivity) windowAndroid.getActivity().get();
+        if (tryLaunchingNativePasswordCheckup(activity)) return;
+        Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(checkupUrl));
         intent.setPackage(activity.getPackageName());
         activity.startActivity(intent);
     }
+
+    private static boolean tryLaunchingNativePasswordCheckup(ChromeActivity activity) {
+        GooglePasswordManagerUIProvider googlePasswordManagerUIProvider =
+                AppHooks.get().createGooglePasswordManagerUIProvider();
+        if (googlePasswordManagerUIProvider == null) return false;
+        // TODO(crbug.com/986317): Add check for minimum Google Play Services version.
+        return googlePasswordManagerUIProvider.launchPasswordCheckup(activity);
+    }
 }