Refactors HWNDView, NativeViewHostGtk and NativeViewHost so that they match t...

views/view_unittest.cc

Index: views/view_unittest.cc
===================================================================
--- views/view_unittest.cc	(revision 17161)
+++ views/view_unittest.cc	(working copy)
@@ -713,7 +713,7 @@
   }
 
   HWND GetHWND() {
-    return static_cast<NativeButtonWin*>(native_wrapper_)->GetHWND();
+    return static_cast<NativeButtonWin*>(native_wrapper_)->native_view();
   }
 };
 
@@ -723,7 +723,7 @@
   }
 
   HWND GetHWND() {
-    return static_cast<NativeCheckboxWin*>(native_wrapper_)->GetHWND();
+    return static_cast<NativeCheckboxWin*>(native_wrapper_)->native_view();
   }
 };