aura: Fix win compile, broken in r107569.

TBR=ben@chromium.org
BUG=none
TEST=none

Review URL: http://codereview.chromium.org/8403042

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@107573 0039d316-1c4b-4281-b951-d872f2087c98

content/browser/renderer_host/web_input_event_aurawin.cc

@@ -5,6 +5,7 @@
 #include "content/browser/renderer_host/web_input_event_aura.h"
 
 #include "base/event_types.h"
+#include "base/logging.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/win/WebInputEventFactory.h"
 
 namespace content {