ui/views/examples: Only include fill_layout.h on source file.

ui/views/examples/combobox_example.cc

Index: ui/views/examples/combobox_example.cc
diff --git a/ui/views/examples/combobox_example.cc b/ui/views/examples/combobox_example.cc
index c1053fc931866af540e61283f7c76d837fd3a3cb..8e41311871851de863dc86aa2a1401b775b994b9 100644
--- a/ui/views/examples/combobox_example.cc
+++ b/ui/views/examples/combobox_example.cc
@@ -7,6 +7,7 @@
 #include "base/stringprintf.h"
 #include "base/utf_string_conversions.h"
 #include "ui/base/models/combobox_model.h"
+#include "views/layout/fill_layout.h"
 
 namespace {
 
@@ -18,8 +19,6 @@ class ComboboxModelExample : public ui::ComboboxModel {
 
   // Overridden from ui::ComboboxModel:
   virtual int GetItemCount() OVERRIDE { return 10; }
-
-  // Overridden from ui::ComboboxModel:
   virtual string16 GetItemAt(int index) OVERRIDE {
     return UTF8ToUTF16(base::StringPrintf("Item %d", index));
   }