linux: reduce header interdependencies

By analyzing gcc -H output, I found some of our worst offenders for
headers bringing in other headers.  native_web_keyboard_event.h was
responsible for just under 60,000 extra includes!

This change will in theory make the build faster.

Review URL: http://codereview.chromium.org/524004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@35326 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/views/view.cc b/views/view.cc
index 5dcc900..123fe86 100644
--- a/views/view.cc
+++ b/views/view.cc
@@ -25,9 +25,13 @@
 #include "views/widget/tooltip_manager.h"
 #include "views/widget/widget.h"
 #include "views/window/window.h"
+
 #if defined(OS_WIN)
 #include "views/accessibility/view_accessibility_wrapper.h"
 #endif
+#if defined(OS_LINUX)
+#include "app/scoped_handle_gtk.h"
+#endif
 
 namespace views {