Revert of Revive experiment to isolate shell operations.

chrome/utility/chrome_content_utility_client.cc

Index: chrome/utility/chrome_content_utility_client.cc
diff --git a/chrome/utility/chrome_content_utility_client.cc b/chrome/utility/chrome_content_utility_client.cc
index a8006d545ad9e6b69bb2c889cca9de5c4a1d25ae..78038e406a614901ef5e90981d1450f1ada1d0e1 100644
--- a/chrome/utility/chrome_content_utility_client.cc
+++ b/chrome/utility/chrome_content_utility_client.cc
@@ -38,6 +38,7 @@
 #endif
 
 #if defined(OS_WIN)
+#include "chrome/utility/ipc_shell_handler_win.h"
 #include "chrome/utility/shell_handler_impl_win.h"
 #endif
 
@@ -124,6 +125,10 @@
 #if defined(ENABLE_PRINT_PREVIEW) || \
     (defined(ENABLE_BASIC_PRINTING) && defined(OS_WIN))
   handlers_.push_back(new printing::PrintingHandler());
+#endif
+
+#if defined(OS_WIN)
+  handlers_.push_back(new IPCShellHandler());
 #endif
 }