Remove Sk prefix from some bench classes.

bench/SkBenchLogger.cpp

-
-/*
- * Copyright 2012 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include "SkBenchLogger.h"
-#include "SkStream.h"
-
-SkBenchLogger::SkBenchLogger()
-: fFileStream(NULL) {}
-
-SkBenchLogger::~SkBenchLogger() {
-    if (fFileStream) {
-        SkDELETE(fFileStream);
-    }
-}
-
-bool SkBenchLogger::SetLogFile(const char *file) {
-    fFileStream = SkNEW_ARGS(SkFILEWStream, (file));
-    return fFileStream->isValid();
-}
-
-void SkBenchLogger::fileWrite(const char msg[], size_t size) {
-    if (fFileStream && fFileStream->isValid()) {
-        fFileStream->write(msg, size);
-    }
-}