Rename the shared impl files.

ppapi/shared_impl/memory_impl.cc

-// Copyright (c) 2011 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 <stdlib.h>
-
-#include "ppapi/c/dev/ppb_memory_dev.h"
-#include "ppapi/shared_impl/ppapi_shared_export.h"
-
-// The memory interface doesn't have a normal C -> C++ thunk since it doesn't
-// actually have any proxy wrapping or associated objects; it's just a call
-// into base. So we implement the entire interface here, using the thunk
-// namespace so it magically gets hooked up in the proper places.
-
-namespace ppapi {
-
-namespace {
-
-void* MemAlloc(uint32_t num_bytes) {
-  return malloc(num_bytes);
-}
-
-void MemFree(void* ptr) {
-  free(ptr);
-}
-
-const PPB_Memory_Dev ppb_memory = {
-  &MemAlloc,
-  &MemFree
-};
-
-}  // namespace
-
-namespace thunk {
-
-// static
-PPAPI_SHARED_EXPORT const PPB_Memory_Dev* GetPPB_Memory_Dev_Thunk() {
-  return &ppb_memory;
-}
-
-}  // namespace thunk
-
-}  // namespace ppapi