Use GetForegroundWindow instead of GetActiveWindow because the former works o...

chrome/browser/extensions/extensions_service.cc

Index: chrome/browser/extensions/extensions_service.cc
===================================================================
--- chrome/browser/extensions/extensions_service.cc	(revision 18263)
+++ chrome/browser/extensions/extensions_service.cc	(working copy)
@@ -899,7 +899,7 @@
   if (!frontend_->extensions_enabled() && !extension.IsTheme()) {
 #if defined(OS_WIN)
     if (frontend_->show_extensions_prompts()) {
-      win_util::MessageBox(GetActiveWindow(),
+      win_util::MessageBox(GetForegroundWindow(),
           L"Extensions are not enabled. Add --enable-extensions to the "
           L"command-line to enable extensions.\n\n"
           L"This is a temporary message and it will be removed when extensions "
@@ -915,7 +915,7 @@
 #if defined(OS_WIN)
   if (!extension.IsTheme() && !from_external &&
       frontend_->show_extensions_prompts() &&
-      win_util::MessageBox(GetActiveWindow(),
+      win_util::MessageBox(GetForegroundWindow(),
           L"Are you sure you want to install this extension?\n\n"
           L"This is a temporary message and it will be removed when extensions "
           L"UI is finalized.",