Implement events for extensions management API.

BUG=51178
TEST=The events described in the experimental.management API should fire for
extensions and apps being installed, uninstalled, enabled, and disabled.


Review URL: http://codereview.chromium.org/3278003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@57831 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/chrome/browser/extensions/extension_event_names.h b/chrome/browser/extensions/extension_event_names.h
index 4cbadfce..3c63f90 100644
--- a/chrome/browser/extensions/extension_event_names.h
+++ b/chrome/browser/extensions/extension_event_names.h
@@ -10,6 +10,7 @@
 
 namespace extension_event_names {
 
+// Tabs.
 extern const char kOnTabAttached[];
 extern const char kOnTabCreated[];
 extern const char kOnTabDetached[];
@@ -17,11 +18,19 @@
 extern const char kOnTabRemoved[];
 extern const char kOnTabSelectionChanged[];
 extern const char kOnTabUpdated[];
+
+// Windows.
 extern const char kOnWindowCreated[];
 extern const char kOnWindowFocusedChanged[];
 extern const char kOnWindowRemoved[];
 
+// Management.
+extern const char kOnExtensionInstalled[];
+extern const char kOnExtensionUninstalled[];
+extern const char kOnExtensionEnabled[];
+extern const char kOnExtensionDisabled[];
+
+
 };  // namespace extension_event_names
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_EVENT_NAMES_H_
-