renderer: implement multiple permission requesting

content/browser/permissions/permission_service_impl.h

Index: content/browser/permissions/permission_service_impl.h
diff --git a/content/browser/permissions/permission_service_impl.h b/content/browser/permissions/permission_service_impl.h
index a6d120cd8be515c6dad0afbab3c6510ee53d2a51..d9286cab2bbbcfdecd6affa241fa5db76669d742 100644
--- a/content/browser/permissions/permission_service_impl.h
+++ b/content/browser/permissions/permission_service_impl.h
@@ -14,6 +14,7 @@
 
 namespace content {
 
+class PermissionPendingRequest;
 enum class PermissionType;
 
 // Implements the PermissionService Mojo interface.
@@ -26,7 +27,6 @@ enum class PermissionType;
 class PermissionServiceImpl : public PermissionService {
  public:
   ~PermissionServiceImpl() override;
-
   // Clear pending operations currently run by the service. This will be called
   // by PermissionServiceContext when it will need the service to clear its
   // state for example, if the frame changes.
@@ -40,17 +40,10 @@ class PermissionServiceImpl : public PermissionService {
 
  private:
   using PermissionStatusCallback = mojo::Callback<void(PermissionStatus)>;
+  using BatchPermissionStatusCallback =
+      mojo::Callback<void(mojo::Array<PermissionStatus>)>;
 
-  struct PendingRequest {
-    PendingRequest(PermissionType permission, const GURL& origin,
-                   const PermissionStatusCallback& callback);
-    ~PendingRequest();
-
-    PermissionType permission;
-    GURL origin;
-    PermissionStatusCallback callback;
-  };
-  using RequestsMap = IDMap<PendingRequest, IDMapOwnPointer>;
+  using RequestsMap = IDMap<PermissionPendingRequest, IDMapOwnPointer>;
 
   struct PendingSubscription {
     PendingSubscription(PermissionType permission, const GURL& origin,
@@ -73,6 +66,11 @@ class PermissionServiceImpl : public PermissionService {
                          const mojo::String& origin,
                          bool user_gesture,
                          const PermissionStatusCallback& callback) override;
+  void RequestBatchPermission(
+      mojo::Array<PermissionName> permissions,
+      const mojo::String& origin,
+      bool user_gesture,
+      const BatchPermissionStatusCallback& callback) override;
   void RevokePermission(PermissionName permission,
                         const mojo::String& origin,
                         const PermissionStatusCallback& callback) override;
@@ -84,7 +82,14 @@ class PermissionServiceImpl : public PermissionService {
 
   void OnConnectionError();
 
-  void OnRequestPermissionResponse(int request_id, PermissionStatus status);
+  void RequestPermissionInternal(
+      mojo::Array<PermissionName> permissions,
+      const mojo::String& origin,
+      bool user_gesture,
+      const BatchPermissionStatusCallback& callback);
+
+  void OnRequestPermissionResponse(int request_id,
+                                   const std::vector<PermissionStatus>& status);
 
   PermissionStatus GetPermissionStatusFromName(PermissionName permission,
                                                const GURL& origin);