Reland: Web MIDI: use mojom::blink::PermissionService directly to ask permission

android_webview/tools/system_webview_shell/layout_tests/src/org/chromium/webview_shell/test/WebViewLayoutTest.java

Index: android_webview/tools/system_webview_shell/layout_tests/src/org/chromium/webview_shell/test/WebViewLayoutTest.java
diff --git a/android_webview/tools/system_webview_shell/layout_tests/src/org/chromium/webview_shell/test/WebViewLayoutTest.java b/android_webview/tools/system_webview_shell/layout_tests/src/org/chromium/webview_shell/test/WebViewLayoutTest.java
index a99c1b20a29deaf1e927ddd03f3f262a37528277..470061c5a47dc3f50e65e8b38f022e72f0acd645 100644
--- a/android_webview/tools/system_webview_shell/layout_tests/src/org/chromium/webview_shell/test/WebViewLayoutTest.java
+++ b/android_webview/tools/system_webview_shell/layout_tests/src/org/chromium/webview_shell/test/WebViewLayoutTest.java
@@ -203,16 +203,22 @@ public class WebViewLayoutTest
 
     @MediumTest
     public void testRequestMIDIAccess() throws Exception {
-        mTestActivity.setGrantPermission(true);
         runWebViewLayoutTest("blink-apis/webmidi/requestmidiaccess.html",
                 "blink-apis/webmidi/requestmidiaccess-expected.txt");
+    }
+
+    @MediumTest
+    public void testRequestMIDIAccessWithSysex() throws Exception {
+        mTestActivity.setGrantPermission(true);
+        runWebViewLayoutTest("blink-apis/webmidi/requestmidiaccess-with-sysex.html",
+                "blink-apis/webmidi/requestmidiaccess-with-sysex-expected.txt");
         mTestActivity.setGrantPermission(false);
     }
 
     @MediumTest
     public void testRequestMIDIAccessDenyPermission() throws Exception {
         runWebViewLayoutTest("blink-apis/webmidi/requestmidiaccess-permission-denied.html",
-                "blink-apis/webmidi/requestmidiaccess-permission-denied-expected.html");
+                "blink-apis/webmidi/requestmidiaccess-permission-denied-expected.txt");
     }
 
     // Blink platform API tests