Minimal Chrome Frame with Aura.

content/common/content_message_generator.cc

Index: content/common/content_message_generator.cc
diff --git a/content/common/content_message_generator.cc b/content/common/content_message_generator.cc
index a86fb17d7341fb70a153adcb3dc649086b49f16c..2e2b5a636343a23ba30b9b705534eba2abdd2a2b 100644
--- a/content/common/content_message_generator.cc
+++ b/content/common/content_message_generator.cc
@@ -14,30 +14,6 @@
 #include "ipc/struct_destructor_macros.h"
 #include "content/common/content_message_generator.h"
 
-#if defined(USE_AURA) && defined(OS_WIN)
-#include "ui/gfx/native_widget_types.h"
-
-namespace IPC {
-// TODO(beng): Figure out why this is needed, fix that issue and remove
-//             this. Brett and I were unable to figure out why, but he
-//             thought this should be harmless.
-template <>
-struct ParamTraits<gfx::PluginWindowHandle> {
-  typedef gfx::PluginWindowHandle param_type;
-  static void Write(Message* m, const param_type& p) {
-    m->WriteUInt32(reinterpret_cast<uint32>(p));
-  }
-  static bool Read(const Message* m, PickleIterator* iter, param_type* r) {
-    DCHECK_EQ(sizeof(param_type), sizeof(uint32));
-    return m->ReadUInt32(iter, reinterpret_cast<uint32*>(r));
-  }
-  static void Log(const param_type& p, std::string* l) {
-    l->append(StringPrintf("0x%X", p));
-  }
-};
-}  // namespace IPC
-#endif
-
 // Generate param traits write methods.
 #include "ipc/param_traits_write_macros.h"
 namespace IPC {