Add spaceport benchmark to Chrome Remote Control.

tools/perf/perf_tools/multipage_benchmark_runner.py

Index: tools/perf/perf_tools/multipage_benchmark_runner.py
diff --git a/tools/perf/perf_tools/multipage_benchmark_runner.py b/tools/perf/perf_tools/multipage_benchmark_runner.py
index db7861c262e8d70967860b7d7af69fa6e035e1b4..11dbc545af1fbfe42f02209f137371d6eb0d9df5 100755
--- a/tools/perf/perf_tools/multipage_benchmark_runner.py
+++ b/tools/perf/perf_tools/multipage_benchmark_runner.py
@@ -16,6 +16,7 @@ from chrome_remote_control import page_set
 import perf_tools.first_paint_time_benchmark
 import perf_tools.scrolling_benchmark
 import perf_tools.skpicture_printer
+import perf_tools.spaceport
 import perf_tools.texture_upload_benchmark
 
 # TODO(tonyg/nduca): Discover benchmarks automagically.
@@ -26,6 +27,8 @@ _BENCHMARKS = {
       perf_tools.scrolling_benchmark.ScrollingBenchmark,
   'skpicture_printer':
       perf_tools.skpicture_printer.SkPicturePrinter,
+  'spaceport':
+      perf_tools.spaceport.Spaceport,
   'texture_upload_benchmark':
       perf_tools.texture_upload_benchmark.TextureUploadBenchmark
 }