Rename the shared_impl resource files to give them more regular names.

ppapi/shared_impl/crypto_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 "base/rand_util.h"
-#include "ppapi/c/dev/ppb_crypto_dev.h"
-#include "ppapi/thunk/thunk.h"
-
-// The crypto 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 GetRandomBytes(char* buffer, uint32_t num_bytes) {
-  base::RandBytes(buffer, num_bytes);
-}
-
-const PPB_Crypto_Dev crypto_interface = {
-  &GetRandomBytes
-};
-
-}  // namespace
-
-namespace thunk {
-
-PPAPI_THUNK_EXPORT const PPB_Crypto_Dev* GetPPB_Crypto_Dev_Thunk() {
-  return &crypto_interface;
-}
-
-}  // namespace thunk
-
-}  // namespace ppapi