Add PermissionDescriptor to the permissions Mojo interface.

third_party/WebKit/Source/modules/webmidi/MIDIAccessInitializer.cpp

Index: third_party/WebKit/Source/modules/webmidi/MIDIAccessInitializer.cpp
diff --git a/third_party/WebKit/Source/modules/webmidi/MIDIAccessInitializer.cpp b/third_party/WebKit/Source/modules/webmidi/MIDIAccessInitializer.cpp
index c670d6d1cd4446b3146c337d280a20d6e3d94a51..14423689883acd91daa9400070db6eaba7de55d2 100644
--- a/third_party/WebKit/Source/modules/webmidi/MIDIAccessInitializer.cpp
+++ b/third_party/WebKit/Source/modules/webmidi/MIDIAccessInitializer.cpp
@@ -11,19 +11,19 @@
 #include "core/dom/ExceptionCode.h"
 #include "core/frame/LocalFrame.h"
 #include "core/frame/Navigator.h"
+#include "modules/permissions/PermissionUtils.h"
 #include "modules/webmidi/MIDIAccess.h"
 #include "modules/webmidi/MIDIOptions.h"
 #include "modules/webmidi/MIDIPort.h"
 #include "platform/UserGestureIndicator.h"
 #include "platform/mojo/MojoHelper.h"
 #include "public/platform/InterfaceProvider.h"
-#include "third_party/WebKit/public/platform/modules/permissions/permission.mojom-blink.h"
+#include "public/platform/modules/permissions/permission.mojom-blink.h"
 
 namespace blink {
 
 using PortState = WebMIDIAccessorClient::MIDIPortState;
 
-using mojom::blink::PermissionName;
 using mojom::blink::PermissionStatus;
 
 MIDIAccessInitializer::MIDIAccessInitializer(ScriptState* scriptState, const MIDIOptions& options)
@@ -43,21 +43,9 @@ ScriptPromise MIDIAccessInitializer::start()
     ScriptPromise promise = this->promise();
     m_accessor = MIDIAccessor::create(this);
 
-    Document* document = toDocument(getExecutionContext());
-    DCHECK(document);
-
-    document->frame()->interfaceProvider()->getInterface(mojo::GetProxy(&m_permissionService));
-
-    bool requestSysEx = m_options.hasSysex() && m_options.sysex();
-    Vector<PermissionName> permissions;
-    permissions.resize(requestSysEx ? 2 : 1);
-
-    permissions[0] = PermissionName::MIDI;
-    if (requestSysEx)
-        permissions[1] = PermissionName::MIDI_SYSEX;
-
-    m_permissionService->RequestPermissions(
-        permissions,
+    connectToPermissionService(getExecutionContext(), mojo::GetProxy(&m_permissionService));
+    m_permissionService->RequestPermission(
+        createMidiPermissionDescriptor(m_options.hasSysex() && m_options.sysex()),
         getExecutionContext()->getSecurityOrigin(),
         UserGestureIndicator::processingUserGesture(),
         convertToBaseCallback(WTF::bind(&MIDIAccessInitializer::onPermissionsUpdated, wrapPersistent(this))));
@@ -123,17 +111,10 @@ ExecutionContext* MIDIAccessInitializer::getExecutionContext() const
     return getScriptState()->getExecutionContext();
 }
 
-void MIDIAccessInitializer::onPermissionsUpdated(const Vector<PermissionStatus>& statusArray)
+void MIDIAccessInitializer::onPermissionsUpdated(PermissionStatus status)
 {
-    bool allowed = true;
-    for (const auto status : statusArray) {
-        if (status != PermissionStatus::GRANTED) {
-            allowed = false;
-            break;
-        }
-    }
     m_permissionService.reset();
-    if (allowed)
+    if (status == PermissionStatus::GRANTED)
         m_accessor->startSession();
     else
         reject(DOMException::create(SecurityError));