Make content::FeaturePolicy implement WebFeaturePolicy, and use it in blink code

content/child/blink_platform_impl.cc

 // Copyright 2014 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.
 
 #include "content/child/blink_platform_impl.h"
 
 #include <math.h>
 
 #include <memory>
 #include <vector>
@@ skipping 21 matching lines @@
 #include "base/trace_event/memory_dump_manager.h"
 #include "base/trace_event/trace_event.h"
 #include "blink/public/resources/grit/blink_image_resources.h"
 #include "blink/public/resources/grit/blink_resources.h"
 #include "build/build_config.h"
 #include "components/mime_util/mime_util.h"
 #include "content/app/resources/grit/content_resources.h"
 #include "content/app/strings/grit/content_strings.h"
 #include "content/child/child_thread_impl.h"
 #include "content/child/content_child_helpers.h"
+#include "content/child/feature_policy/feature_policy_platform.h"
 #include "content/child/notifications/notification_dispatcher.h"
 #include "content/child/notifications/notification_manager.h"
 #include "content/child/push_messaging/push_provider.h"
 #include "content/child/thread_safe_sender.h"
 #include "content/child/web_url_loader_impl.h"
 #include "content/child/web_url_request_util.h"
 #include "content/child/worker_thread_registry.h"
 #include "content/public/common/content_client.h"
 #include "content/public/common/service_manager_connection.h"
 #include "net/base/net_errors.h"
@@ skipping 791 matching lines @@
 WebString BlinkPlatformImpl::domKeyStringFromEnum(int dom_key) {
   return WebString::fromUTF8(ui::KeycodeConverter::DomKeyToKeyString(
       static_cast<ui::DomKey>(dom_key)));
 }
 
 int BlinkPlatformImpl::domKeyEnumFromString(const WebString& key_string) {
   return static_cast<int>(
       ui::KeycodeConverter::KeyStringToDomKey(key_string.utf8()));
 }
 
+blink::WebFeaturePolicy* BlinkPlatformImpl::createFeaturePolicy(
+    const blink::WebFeaturePolicy* parent_policy,
+    const blink::WebParsedFeaturePolicyHeader& container_policy,
+    const blink::WebParsedFeaturePolicyHeader& policy_header,
+    const blink::WebSecurityOrigin& origin) {
+  std::unique_ptr<FeaturePolicy> policy = FeaturePolicy::CreateFromParentPolicy(
+      static_cast<const FeaturePolicy*>(parent_policy),
+      FeaturePolicyHeaderFromWeb(container_policy), url::Origin(origin));
+  policy->SetHeaderPolicy(FeaturePolicyHeaderFromWeb(policy_header));
+  return policy.release();
+}
+
+blink::WebFeaturePolicy* BlinkPlatformImpl::duplicateFeaturePolicyWithOrigin(
+    const blink::WebFeaturePolicy& policy,
+    const blink::WebSecurityOrigin& new_origin) {
+  std::unique_ptr<FeaturePolicy> new_policy =
+      FeaturePolicy::CreateFromPolicyWithOrigin(
+          static_cast<const FeaturePolicy&>(policy), url::Origin(new_origin));
+  return new_policy.release();
+}
+
 }  // namespace content