Remove ExtensionService::[Get|Is]InstalledApp()

extensions/common/extension_set.cc

Index: extensions/common/extension_set.cc
diff --git a/extensions/common/extension_set.cc b/extensions/common/extension_set.cc
index 77d4491e9647b3b9f223e08a13bba9815aa83ea0..c4c15d4e1f2bc3b8f291f590f7be0b109a21583e 100644
--- a/extensions/common/extension_set.cc
+++ b/extensions/common/extension_set.cc
@@ -89,6 +89,11 @@ const Extension* ExtensionSet::GetExtensionOrAppByURL(const GURL& url) const {
   return GetHostedAppByURL(url);
 }
 
+const Extension* ExtensionSet::GetAppByURL(const GURL& url) const {
+  const Extension* extension = GetExtensionOrAppByURL(url);
+  return (extension && extension->is_app()) ? extension : NULL;
+}
+
 const Extension* ExtensionSet::GetHostedAppByURL(const GURL& url) const {
   for (ExtensionMap::const_iterator iter = extensions_.begin();
        iter != extensions_.end(); ++iter) {