Add UI for RuntimeErrors in the ErrorConsole

chrome/browser/ui/webui/extensions/extension_error_handler.h

Index: chrome/browser/ui/webui/extensions/extension_error_handler.h
diff --git a/chrome/browser/ui/webui/extensions/extension_error_handler.h b/chrome/browser/ui/webui/extensions/extension_error_handler.h
index 75079fa246306cc138b093b17a65668039b4f23a..eb617281e20fca8cac2d1eb3eea855719fd133fd 100644
--- a/chrome/browser/ui/webui/extensions/extension_error_handler.h
+++ b/chrome/browser/ui/webui/extensions/extension_error_handler.h
@@ -53,6 +53,13 @@ class ExtensionErrorHandler : public content::WebUIMessageHandler {
                                const std::string& specific,
                                std::string* contents);
 
+  // Populate the results for a source file's content in response to the
+  // "requestFileSource" call. Highlight the part of the source which
+  // corresponds to the given |line_number|.
+  void GetSourceFileCallback(base::DictionaryValue* results,
+                             int line_number,
+                             std::string* contents);
+
   // The profile with which this Handler is associated.
   Profile* profile_;