[2] Adding a method to PluginFinder to get a PluginInstaller by WebPluginInfo.

chrome/browser/plugin_finder.h

Index: chrome/browser/plugin_finder.h
diff --git a/chrome/browser/plugin_finder.h b/chrome/browser/plugin_finder.h
index f0d75d5c10acbe6612852b7b1fd304e0e8923496..6ac7bab3ba08a6438a0a74bf0d7964f65e348dcf 100644
--- a/chrome/browser/plugin_finder.h
+++ b/chrome/browser/plugin_finder.h
@@ -13,6 +13,7 @@
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/singleton.h"
 #include "base/string16.h"
+#include "webkit/plugins/webplugininfo.h"
 
 namespace base {
 class DictionaryValue;
@@ -34,6 +35,9 @@ class PluginFinder {
   // Returns the plug-in with the given identifier.
   PluginInstaller* FindPluginWithIdentifier(const std::string& identifier);
 
+  // Gets a plug-in installer using web plug-in info.
+  PluginInstaller* GetPluginInstaller(const webkit::WebPluginInfo& plugin);
+
  private:
   friend struct DefaultSingletonTraits<PluginFinder>;
   friend class Singleton<PluginFinder>;
@@ -52,6 +56,13 @@ class PluginFinder {
   PluginInstaller* CreateInstaller(const std::string& identifier,
                                    const base::DictionaryValue* plugin_dict);
 
+  // Gets the base name of the file path as the identifier.
+  static std::string GetIdentifier(const webkit::WebPluginInfo& plugin);
+
+  // Gets the plug-in group name as the plug-in name if it is not empty or
+  // the filename without extension if the name is empty.
+  static string16 GetGroupName(const webkit::WebPluginInfo& plugin);
+
   scoped_ptr<base::DictionaryValue> plugin_list_;
   std::map<std::string, PluginInstaller*> installers_;