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chrome/common/localized_error.h

Index: chrome/common/localized_error.h
===================================================================
--- chrome/common/localized_error.h	(revision 248295)
+++ chrome/common/localized_error.h	(working copy)
@@ -8,12 +8,13 @@
 #include <string>
 
 #include "base/basictypes.h"
+#include "base/memory/scoped_ptr.h"
 #include "base/strings/string16.h"
+#include "url/gurl.h"
 
-class GURL;
-
 namespace base {
 class DictionaryValue;
+class ListValue;
 }
 
 namespace extensions {
@@ -26,6 +27,26 @@
 
 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;
+
+    // Overrides default suggestions.  Each entry must contain a header and may
+    // optionally contain a body as well.
+    scoped_ptr<base::ListValue> override_suggestions;

[Nico, 2014/02/06 17:58:32]

optional: could maybe just be a ListValue, not a pointer to one? (as is, this
inherits the DISALLOW_COPY_AND_ASSIGN from scoped_ptr, but that's kind of subtle
and possibly not needed either)

+
+    // Prefix to prepend to search terms.  Search box is only shown if this is
+    // a valid url.  Currently only Google searches are supported (Must use
+    // GET with a query parameter named "q").
+    GURL search_url;
+    // Default search terms.  Ignored if |search_prefix| is invalid.

[Nico, 2014/02/06 17:58:32]

You probably mean |search_url| here

[mmenke, 2014/02/06 22:00:32]

Done.

+    std::string search_terms;
+  };
+
   // 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,
@@ -34,6 +55,7 @@
                          bool is_post,
                          const std::string& locale,
                          const std::string& accept_languages,
+                         scoped_ptr<ErrorPageParams> params,
                          base::DictionaryValue* strings);
 
   // Returns a description of the encountered error.