Refactor PermissionSet to move chrome-specific host checks to ChromeExtensionsClient.

Combine GetChromeSchemeHosts and GetDistinctHostsForDisplay logic for special permission messages for chrome://favicon into GetSpecialHostPermissionWarnings.

BUG=298586

Review URL: https://codereview.chromium.org/25713006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@226812 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 11 insertions, 0 deletions

diff --git a/extensions/common/extensions_client.h b/extensions/common/extensions_client.h
index 83550a9..eb3ebfe 100644
--- a/extensions/common/extensions_client.h
+++ b/extensions/common/extensions_client.h
@@ -5,12 +5,15 @@
 #ifndef EXTENSIONS_COMMON_EXTENSIONS_CLIENT_H_
 #define EXTENSIONS_COMMON_EXTENSIONS_CLIENT_H_
 
+#include <set>
 #include <string>
 
 namespace extensions {
 
 class FeatureProvider;
+class PermissionMessage;
 class PermissionsProvider;
+class URLPatternSet;
 
 // Sets up global state for the extensions system. Should be Set() once in each
 // process. This should be implemented by the client of the extensions system.
@@ -26,6 +29,14 @@ class ExtensionsClient {
   // Called at startup. Registers the handlers for parsing manifests.
   virtual void RegisterManifestHandlers() const = 0;
 
+  // Takes the list of all hosts and filters out those with special
+  // permission strings. Adds the regular hosts to |new_hosts|,
+  // and adds the special permission messages to |messages|.
+  virtual void FilterHostPermissions(
+      const URLPatternSet& hosts,
+      URLPatternSet* new_hosts,
+      std::set<PermissionMessage>* messages) const = 0;
+
   // Return the extensions client.
   static ExtensionsClient* Get();