Componentize NetErrorHelperCore

chrome/common/localized_error.h

 // Copyright (c) 2011 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 CHROME_COMMON_LOCALIZED_ERROR_H_
 #define CHROME_COMMON_LOCALIZED_ERROR_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/string16.h"
 #include "url/gurl.h"
 
 namespace base {
 class DictionaryValue;
 class ListValue;
 }
 
 namespace extensions {
 class Extension;
 }
 
 namespace blink {
 struct WebURLError;
 }
 
+namespace error_page {
+struct ErrorPageParams;
+}
+
 class LocalizedError {
  public:
-  // Optional parameters that affect the display of an error page.
-  struct ErrorPageParams {
-    ErrorPageParams();
-    ~ErrorPageParams();
-
-    // Overrides whether reloading is suggested.
-    bool suggest_reload;
-    int reload_tracking_id;
-
-    // Overrides default suggestions.  Each entry must contain a header and may
-    // optionally contain a body as well.  Must not be NULL.
-    scoped_ptr<base::ListValue> override_suggestions;
-
-    // Prefix to prepend to search terms.  Search box is only shown if this is
-    // a valid url.  The search terms will be appended to the end of this URL to
-    // conduct a search.
-    GURL search_url;
-    // Default search terms.  Ignored if |search_url| is invalid.
-    std::string search_terms;
-    int search_tracking_id;
-  };
-
   // Fills |error_strings| with values to be used to build an error page used
   // on HTTP errors, like 404 or connection reset.
   static void GetStrings(int error_code,
                          const std::string& error_domain,
                          const GURL& failed_url,
                          bool is_post,
                          bool show_stale_load_button,
                          const std::string& locale,
                          const std::string& accept_languages,
-                         scoped_ptr<ErrorPageParams> params,
+                         scoped_ptr<error_page::ErrorPageParams> params,
                          base::DictionaryValue* strings);
 
   // Returns a description of the encountered error.
   static base::string16 GetErrorDetails(const blink::WebURLError& error,
                                         bool is_post);
 
   // Returns true if an error page exists for the specified parameters.
   static bool HasStrings(const std::string& error_domain, int error_code);
 
   // Fills |error_strings| with values to be used to build an error page used
   // on HTTP errors, like 404 or connection reset, but using information from
   // the associated |app| in order to make the error page look like it's more
   // part of the app.
   static void GetAppErrorStrings(const GURL& display_url,
                                  const extensions::Extension* app,
                                  base::DictionaryValue* error_strings);
 
   static const char kHttpErrorDomain[];
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(LocalizedError);
 };
 
 #endif  // CHROME_COMMON_LOCALIZED_ERROR_H_