Revert 277208 "[PPAPI] Compositor API implementation."

ppapi/proxy/ppapi_param_traits.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ppapi/proxy/ppapi_param_traits.h"
 
 #include <string.h>  // For memcpy
 
 #include "ppapi/c/pp_resource.h"
 #include "ppapi/proxy/ppapi_messages.h"
@@ skipping 615 matching lines @@
     // No default so the compiler will warn on new types.
   }
   return false;
 }
 
 // static
 void ParamTraits<ppapi::SocketOptionData>::Log(const param_type& p,
                                                std::string* l) {
 }
 
-// ppapi::CompositorLayerData --------------------------------------------------
-
-// static
-void ParamTraits<ppapi::CompositorLayerData::Transform>::Write(
-    Message* m,
-    const param_type& p) {
-  for (size_t i = 0; i < arraysize(p.matrix); i++)
-    ParamTraits<float>::Write(m, p.matrix[i]);
-}
-
-// static
-bool ParamTraits<ppapi::CompositorLayerData::Transform>::Read(
-    const Message* m,
-    PickleIterator* iter,
-    param_type* r) {
-  for (size_t i = 0; i < arraysize(r->matrix);i++) {
-    if (!ParamTraits<float>::Read(m, iter, &r->matrix[i]))
-      return false;
-  }
-  return true;
-}
-
-void ParamTraits<ppapi::CompositorLayerData::Transform>::Log(
-    const param_type& p,
-    std::string* l) {
-}
-
 }  // namespace IPC