linux: write a unit test for plugin mime parsing

webkit/glue/plugins/plugin_lib.h

 // Copyright (c) 2006-2008 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 WEBKIT_GLUE_PLUGIN_PLUGIN_LIB_H__
 #define WEBKIT_GLUE_PLUGIN_PLUGIN_LIB_H__
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/file_path.h"
 #include "base/native_library.h"
 #include "base/ref_counted.h"
+#include "build/build_config.h"
 #include "webkit/glue/plugins/plugin_list.h"
 #include "webkit/glue/webplugin.h"
 
 struct WebPluginInfo;
 
 namespace NPAPI
 {
 
 class PluginInstance;
 
 // A PluginLib is a single NPAPI Plugin Library, and is the lifecycle
 // manager for new PluginInstances.
 class PluginLib : public base::RefCounted<PluginLib> {
  public:
   static PluginLib* CreatePluginLib(const FilePath& filename);
   virtual ~PluginLib();
 
   // Creates a WebPluginInfo structure given a plugin's path.  On success
   // returns true, with the information being put into "info".
   // Returns false if the library couldn't be found, or if it's not a plugin.
   static bool ReadWebPluginInfo(const FilePath& filename, WebPluginInfo* info);
 
+#if defined(OS_LINUX)
+  // Parse the result of an NP_GetMIMEDescription() call, returning
+  // false on parse error.  This API is only used on Linux, and is
+  // exposed here for testing.
+  static bool ParseMIMEDescription(const char* description,
+                                   std::vector<WebPluginMimeType>* mime_types);
+#endif
+
   // Unloads all the loaded plugin libraries and cleans up the plugin map.
   static void UnloadAllPlugins();
 
   // Shuts down all loaded plugin instances.
   static void ShutdownAllPlugins();
 
   // Get the Plugin's function pointer table.
   NPPluginFuncs* functions();
 
   // Creates a new instance of this plugin.
@@ skipping 46 matching lines @@
 
   // Function pointers to entry points into the plugin.
   PluginEntryPoints entry_points_;
 
   DISALLOW_EVIL_CONSTRUCTORS(PluginLib);
 };
 
 } // namespace NPAPI
 
 #endif  // WEBKIT_GLUE_PLUGIN_PLUGIN_LIB_H__