Move content-side Feature Policy code into content/{common,child}/feature_policy

content/common/feature_policy/feature_policy.h

Index: content/common/feature_policy/feature_policy.h
diff --git a/content/common/feature_policy/feature_policy.h b/content/common/feature_policy/feature_policy.h
new file mode 100644
index 0000000000000000000000000000000000000000..b49e1a4489597d53939355aedb756057935296c0
--- /dev/null
+++ b/content/common/feature_policy/feature_policy.h
@@ -0,0 +1,38 @@
+// Copyright 2017 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 CONTENT_COMMON_FEATURE_POLICY_FEATURE_POLICY_H_
+#define CONTENT_COMMON_FEATURE_POLICY_FEATURE_POLICY_H_
+
+#include <string>
+#include <vector>
+
+#include "content/common/content_export.h"
+#include "url/origin.h"
+
+namespace content {
+
+// This struct holds feature policy whitelist data that needs to be replicated
+// between a RenderFrame and any of its associated RenderFrameProxies. A list of
+// these form a ParsedFeaturePolicyHeader.
+// NOTE: These types are used for replication frame state between processes.
+// They exist only because we can't transfer WebVectors directly over IPC.
+struct CONTENT_EXPORT ParsedFeaturePolicyDeclaration {
+  ParsedFeaturePolicyDeclaration();
+  ParsedFeaturePolicyDeclaration(std::string feature_name,
+                                 bool matches_all_origins,
+                                 std::vector<url::Origin> origins);
+  ParsedFeaturePolicyDeclaration(const ParsedFeaturePolicyDeclaration& rhs);
+  ~ParsedFeaturePolicyDeclaration();
+
+  std::string feature_name;
+  bool matches_all_origins;
+  std::vector<url::Origin> origins;
+};
+
+using ParsedFeaturePolicyHeader = std::vector<ParsedFeaturePolicyDeclaration>;
+
+}  // namespace content
+
+#endif  // CONTENT_COMMON_FEATURE_POLICY_FEATURE_POLICY_H_