Merge web_request_api_utils back into web_request_api_helpers.

extensions/browser/api/web_request/web_request_api_helpers.h

 // Copyright (c) 2012 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.
 
 // Helper classes and functions used for the WebRequest API.
 
 #ifndef EXTENSIONS_BROWSER_API_WEB_REQUEST_WEB_REQUEST_API_HELPERS_H_
 #define EXTENSIONS_BROWSER_API_WEB_REQUEST_WEB_REQUEST_API_HELPERS_H_
 
 #include <list>
 #include <set>
 #include <string>
 
 #include "base/memory/linked_ptr.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/time/time.h"
+#include "content/public/common/resource_type.h"
 #include "extensions/browser/warning_set.h"
 #include "net/base/auth.h"
 #include "net/http/http_request_headers.h"
 #include "net/http/http_response_headers.h"
 #include "url/gurl.h"
 
 namespace base {
 class ListValue;
 class Value;
 }
 
 namespace content {
 class RenderProcessHost;
 }
 
 namespace extensions {
 class Extension;
 }
 
 namespace net {
 class BoundNetLog;
 class URLRequest;
 }
 
 namespace extension_web_request_api_helpers {
 
-
 typedef std::pair<std::string, std::string> ResponseHeader;
 typedef std::vector<ResponseHeader> ResponseHeaders;
 
 // Data container for RequestCookies as defined in the declarative WebRequest
 // API definition.
 struct RequestCookie {
   RequestCookie();
   ~RequestCookie();
   scoped_ptr<std::string> name;
   scoped_ptr<std::string> value;
@@ skipping 264 matching lines @@
 
 // Send updates to |host| with information about what webRequest-related
 // extensions are installed.
 void SendExtensionWebRequestStatusToHost(content::RenderProcessHost* host);
 
 // Converts the |name|, |value| pair of a http header to a HttpHeaders
 // dictionary. Ownership is passed to the caller.
 base::DictionaryValue* CreateHeaderDictionary(
     const std::string& name, const std::string& value);
 
+// Returns whether |type| is a ResourceType that is handled by the web request
+// API.
+bool IsRelevantResourceType(content::ResourceType type);
+
+// Returns a string representation of |type| or |other| if |type| is not handled
+// by the web request API.
+const char* ResourceTypeToString(content::ResourceType type);
+
+// Stores a |content::ResourceType| representation in |type| if |type_str| is
+// a resource type handled by the web request API. Returns true in case of
+// success.
+bool ParseResourceType(const std::string& type_str,
+                       content::ResourceType* type);
+
 }  // namespace extension_web_request_api_helpers
 
 #endif  // EXTENSIONS_BROWSER_API_WEB_REQUEST_WEB_REQUEST_API_HELPERS_H_