Create a run_multipage_benchmarks entry point for all benchmarks.

tools/perf/run_multipage_benchmarks

Index: tools/perf/run_multipage_benchmarks
diff --git a/tools/perf/run_skpicture_printer b/tools/perf/run_multipage_benchmarks
similarity index 69%
rename from tools/perf/run_skpicture_printer
rename to tools/perf/run_multipage_benchmarks
index 12d6642b25fc5915d3405dd34b6b6cf974b5173b..602ec1958cffe3c9712c470074685d9ca84c5ba3 100755
--- a/tools/perf/run_skpicture_printer
+++ b/tools/perf/run_multipage_benchmarks
@@ -2,10 +2,9 @@
 # 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.
-import os
 import sys
 
-import perf_tools.skpicture_printer
+import perf_tools.multipage_benchmark_runner
 
 if __name__ == '__main__':
-  sys.exit(perf_tools.skpicture_printer.Main())
+  sys.exit(perf_tools.multipage_benchmark_runner.Main())