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diff --git a/chromium/extensions/common/manifest_handlers/web_accessible_resources_info.h b/chromium/extensions/common/manifest_handlers/web_accessible_resources_info.h
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index 00000000000..9246ca1d6ea
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+++ b/chromium/extensions/common/manifest_handlers/web_accessible_resources_info.h
@@ -0,0 +1,51 @@
+// 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.
+
+#ifndef EXTENSIONS_COMMON_MANIFEST_HANDLERS_WEB_ACCESSIBLE_RESOURCES_INFO_H_
+#define EXTENSIONS_COMMON_MANIFEST_HANDLERS_WEB_ACCESSIBLE_RESOURCES_INFO_H_
+
+#include <string>
+
+#include "base/macros.h"
+#include "extensions/common/extension.h"
+#include "extensions/common/manifest_handler.h"
+
+namespace extensions {
+
+// A structure to hold the web accessible extension resources
+// that may be specified in the manifest of an extension using
+// "web_accessible_resources" key.
+struct WebAccessibleResourcesInfo : public Extension::ManifestData {
+  // Define out of line constructor/destructor to please Clang.
+  WebAccessibleResourcesInfo();
+  ~WebAccessibleResourcesInfo() override;
+
+  // Returns true if the specified resource is web accessible.
+  static bool IsResourceWebAccessible(const Extension* extension,
+                                      const std::string& relative_path);
+
+  // Returns true when 'web_accessible_resources' are defined for the extension.
+  static bool HasWebAccessibleResources(const Extension* extension);
+
+  // Optional list of web accessible extension resources.
+  URLPatternSet web_accessible_resources_;
+};
+
+// Parses the "web_accessible_resources" manifest key.
+class WebAccessibleResourcesHandler : public ManifestHandler {
+ public:
+  WebAccessibleResourcesHandler();
+  ~WebAccessibleResourcesHandler() override;
+
+  bool Parse(Extension* extension, base::string16* error) override;
+
+ private:
+  const std::vector<std::string> Keys() const override;
+
+  DISALLOW_COPY_AND_ASSIGN(WebAccessibleResourcesHandler);
+};
+
+}  // namespace extensions
+
+#endif  // EXTENSIONS_COMMON_MANIFEST_HANDLERS_WEB_ACCESSIBLE_RESOURCES_INFO_H_