Add recommended extension installation support

chrome/browser/extensions/extension_management.h

Index: chrome/browser/extensions/extension_management.h
diff --git a/chrome/browser/extensions/extension_management.h b/chrome/browser/extensions/extension_management.h
index d7410e2234f70a62e40a6e7dc29ceee8623cbd8f..1936846fa350ea0702d92eb1c8163fdaee927493 100644
--- a/chrome/browser/extensions/extension_management.h
+++ b/chrome/browser/extensions/extension_management.h
@@ -84,6 +84,10 @@ class ExtensionManagement : public KeyedService {
   // ExternalPolicyLoader::AddExtension().
   scoped_ptr<base::DictionaryValue> GetForceInstallList() const;
 
+  // Like GetRecommendedInstallList(), but returns recommended install list
+  // instead.

[Finnur, 2014/10/06 14:01:42]

I don't get it... 
GetRecommendedInstallList is like GetRecommendedInstallList?

[binjin, 2014/10/06 18:48:47]

Ooops, it's a mistake due to auto-completion. Done.

+  scoped_ptr<base::DictionaryValue> GetRecommendedInstallList() const;
+
   // Returns if an extension with id |id| is allowed to install or not.
   bool IsInstallationAllowed(const ExtensionId& id) const;