Support for interactive set-chrome-as-default in Windows.

chrome/browser/custom_handlers/protocol_handler_registry.cc

Index: chrome/browser/custom_handlers/protocol_handler_registry.cc
diff --git a/chrome/browser/custom_handlers/protocol_handler_registry.cc b/chrome/browser/custom_handlers/protocol_handler_registry.cc
index 0300e6d7fa894d6c0af8c6466a690f7a6e6c083d..c94e8799761c03db2a835efa552cb93a0af9b3fe 100644
--- a/chrome/browser/custom_handlers/protocol_handler_registry.cc
+++ b/chrome/browser/custom_handlers/protocol_handler_registry.cc
@@ -39,7 +39,8 @@ bool ShouldRemoveHandlersNotInOS() {
   // difference (http://crbug.com/88255).
   return false;
 #else
-  return ShellIntegration::CanSetAsDefaultProtocolClient();
+  return ShellIntegration::CHANGE_DEFAULT_NOT_ALLOWED !=

[grt (UTC plus 2), 2012/05/25 20:27:38]

although i personally like comparisons like this (SOME_CONSTANT !=
something_else), chromium doesn't.  please flipe these around.

[motek., 2012/05/28 17:40:33]

Yeah. I remember I had such a hard time adjusting to this rule first time
around. And here we go again, over a year later. I'm sorry you are exposed to
that.

+    ShellIntegration::CanSetAsDefaultProtocolClient();

[grt (UTC plus 2), 2012/05/25 20:27:38]

nit: indent two more spaces

[motek., 2012/05/28 17:40:33]

Done.

 #endif
 }