android_webview: add no-op boundary interfaces.

This change adds WebView boundary interfaces for supporting WebAuthn in
WebViews. They are currently no-ops, but the full change is huge so I'm
trying to split it up.

BUG=1284805

Change-Id: I8ce75d7077e9db7d15c071e27cf9529a4b94d2a8
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3368924
Reviewed-by: Richard Coles <torne@chromium.org>
Auto-Submit: Adam Langley <agl@chromium.org>
Reviewed-by: Peter Beverloo <peter@chromium.org>
Commit-Queue: Peter Beverloo <peter@chromium.org>
Cr-Commit-Position: refs/heads/main@{#958718}
NOKEYCHECK=True
GitOrigin-RevId: aa5dd97385dcf06a2d517a48207f11c29f03e863

4 files changed, 36 insertions, 0 deletions

diff --git a/src/org/chromium/support_lib_boundary/WebAuthnCallbackBoundaryInterface.java b/src/org/chromium/support_lib_boundary/WebAuthnCallbackBoundaryInterface.java
new file mode 100644
index 0000000..8b6efc1
--- /dev/null
+++ b/src/org/chromium/support_lib_boundary/WebAuthnCallbackBoundaryInterface.java
@@ -0,0 +1,18 @@
+// Copyright 2021 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.
+
+package org.chromium.support_lib_boundary;
+
+import android.content.Intent;
+
+/**
+ * Boundary interface for the response to a WebAuthn intent.
+ * <p>
+ * An instance of this object is given to the embedder in <code>onWebAuthnIntent</code>.
+ * Once the result of the intent is known the method in this interface is called so that the
+ * embedder can pass the result back into Chromium.
+ */
+public interface WebAuthnCallbackBoundaryInterface {
+    void onResult(int resultCode, Intent intent);
+}
diff --git a/src/org/chromium/support_lib_boundary/WebSettingsBoundaryInterface.java b/src/org/chromium/support_lib_boundary/WebSettingsBoundaryInterface.java
index 426eb6d..38ee17e 100644
--- a/src/org/chromium/support_lib_boundary/WebSettingsBoundaryInterface.java
+++ b/src/org/chromium/support_lib_boundary/WebSettingsBoundaryInterface.java
@@ -41,4 +41,15 @@ public interface WebSettingsBoundaryInterface {
     void setForceDarkBehavior(@ForceDarkBehavior int forceDarkBehavior);
     @ForceDarkBehavior
     int getForceDarkBehavior();
+
+    @Retention(RetentionPolicy.SOURCE)
+    @interface WebAuthnSupport {
+        int NONE = 0;
+        int APP = 1;
+        int BROWSER = 2;
+    }
+
+    void setWebAuthnSupport(@WebAuthnSupport int support);
+    @WebAuthnSupport
+    int getWebAuthnSupport();
 }
diff --git a/src/org/chromium/support_lib_boundary/WebViewClientBoundaryInterface.java b/src/org/chromium/support_lib_boundary/WebViewClientBoundaryInterface.java
index 9cdde0d..fc60168 100644
--- a/src/org/chromium/support_lib_boundary/WebViewClientBoundaryInterface.java
+++ b/src/org/chromium/support_lib_boundary/WebViewClientBoundaryInterface.java
@@ -4,6 +4,7 @@
 
 package org.chromium.support_lib_boundary;
 
+import android.app.PendingIntent;
 import android.webkit.WebResourceRequest;
 import android.webkit.WebResourceResponse;
 import android.webkit.WebView;
@@ -22,4 +23,6 @@ public interface WebViewClientBoundaryInterface extends FeatureFlagHolderBoundar
     void onSafeBrowsingHit(WebView view, WebResourceRequest request, int threatType,
             /* SafeBrowsingResponse */ InvocationHandler callback);
     boolean shouldOverrideUrlLoading(WebView view, WebResourceRequest request);
+    boolean onWebAuthnIntent(WebView view, PendingIntent intent,
+            /* WebAuthnCallbackBoundaryInterface */ InvocationHandler callback);
 }
diff --git a/src/org/chromium/support_lib_boundary/util/Features.java b/src/org/chromium/support_lib_boundary/util/Features.java
index 3038a4f..d2b8ec9 100644
--- a/src/org/chromium/support_lib_boundary/util/Features.java
+++ b/src/org/chromium/support_lib_boundary/util/Features.java
@@ -185,4 +185,8 @@ public class Features {
 
     // WebViewCompat.addDocumentStartJavascript
     public static final String DOCUMENT_START_SCRIPT = "DOCUMENT_START_SCRIPT";
+
+    // WebSettingsCompat.setWebAuthnSupport
+    // WebSettingsCompat.getWebAuthnSupport
+    public static final String WEB_AUTHENTICATION = "WEB_AUTHENTICATION";
 }