Web restrictions component only.

components/web_restrictions/web_restrictions_provider.h

Index: components/web_restrictions/web_restrictions_provider.h
diff --git a/components/web_restrictions/web_restrictions_provider.h b/components/web_restrictions/web_restrictions_provider.h
new file mode 100644
index 0000000000000000000000000000000000000000..822d20544de748a108a468c5272e49ed1ce4ecc6
--- /dev/null
+++ b/components/web_restrictions/web_restrictions_provider.h
@@ -0,0 +1,40 @@
+// Copyright 2015 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.
+
+#ifndef COMPONENTS_WEB_RESTRICTION_WEB_RESTRICTION_PROVIDER_H_
+#define COMPONENTS_WEB_RESTRICTION_WEB_RESTRICTION_PROVIDER_H_
+
+#include "base/callback_forward.h"
+#include "base/macros.h"
+#include "url/gurl.h"
+
+namespace web_restrictions {
+
+enum UrlAccess {
+  ALLOW,
+  DISALLOW,
+  PENDING
+};
+
+class WebRestrictionsProvider {
+ public:
+  virtual ~WebRestrictionsProvider() {}
+
+  virtual UrlAccess ShouldProceed(
+      bool is_main_frame,
+      const GURL& url,
+      const base::Callback<void(bool)>& callback) = 0;
+
+  virtual bool SupportsRequest() const = 0;
+
+  virtual bool GetErrorHtml(const GURL& url, std::string* error_html) const = 0;
+
+  virtual void RequestPermission(
+      const GURL& url,
+      const base::Callback<void(bool)>& callback) = 0;
+};
+
+}  // namespace web_restrictions
+
+#endif  // COMPONENTS_WEB_RESTRICTION_WEB_RESTRICTION_PROVIDER_H_