Add detailed change event for SpecialStoragePolicy.

This change includes:
 - Split single Changed event to Granted, Revoked and Cleared events.
 - Add affected origin and changed policy as event parameters.

BUG=220029
TEST=ExtensionSetTest.*, *Quota*, ExtensionSpecialStoragePolicyTest.*

Review URL: https://chromiumcodereview.appspot.com/14238005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@195478 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 5 insertions, 3 deletions

diff --git a/chrome/browser/extensions/extension_special_storage_policy.h b/chrome/browser/extensions/extension_special_storage_policy.h
index 1bf34e8..c8ebe51 100644
--- a/chrome/browser/extensions/extension_special_storage_policy.h
+++ b/chrome/browser/extensions/extension_special_storage_policy.h
@@ -59,8 +59,8 @@ class ExtensionSpecialStoragePolicy : public quota::SpecialStoragePolicy {
     bool Contains(const GURL& origin);
     const ExtensionSet* ExtensionsContaining(const GURL& origin);
     bool ContainsExtension(const std::string& extension_id);
-    void Add(const extensions::Extension* extension);
-    void Remove(const extensions::Extension* extension);
+    bool Add(const extensions::Extension* extension);
+    bool Remove(const extensions::Extension* extension);
     void Clear();
 
    private:
@@ -72,7 +72,9 @@ class ExtensionSpecialStoragePolicy : public quota::SpecialStoragePolicy {
     CachedResults cached_results_;
   };
 
-  void NotifyChanged();
+  void NotifyGranted(const GURL& origin, int change_flags);
+  void NotifyRevoked(const GURL& origin, int change_flags);
+  void NotifyCleared();
 
   base::Lock lock_;  // Synchronize all access to the collections.
   SpecialCollection protected_apps_;