Use ScopedCOMInitializer in more places. While this doesn't always simplify code, it does mean we …

chrome/browser/history/history_publisher.h

Index: chrome/browser/history/history_publisher.h
===================================================================
--- chrome/browser/history/history_publisher.h	(revision 159813)
+++ chrome/browser/history/history_publisher.h	(working copy)
@@ -11,6 +11,7 @@
 #include "base/string16.h"
 
 #if defined(OS_WIN)
+#include "base/win/scoped_com_initializer.h"
 #include "base/win/scoped_comptr.h"
 #include "history_indexer.h"
 #endif
@@ -71,6 +72,8 @@
   // The Registry key under HKCU where the indexers need to register their
   // CLSID.
   static const wchar_t* const kRegKeyRegisteredIndexersInfo;
+
+  base::win::ScopedCOMInitializer com_initializer_;
 #endif
 
   // The format of the thumbnail we pass to indexers.