Add spread call micro-benchmarks.

tools/presubmit.py

Index: tools/presubmit.py
diff --git a/tools/presubmit.py b/tools/presubmit.py
index 3be9caf0613bbed3ad27de751f6e1d8413b73c0c..786fbac5e4bf80eaec6e0965f0296e2588e35c53 100755
--- a/tools/presubmit.py
+++ b/tools/presubmit.py
@@ -293,7 +293,8 @@ class SourceProcessor(SourceFileProcessor):
     return (super(SourceProcessor, self).IgnoreDir(name) or
             name in ('third_party', 'gyp', 'out', 'obj', 'DerivedSources'))
 
-  IGNORE_COPYRIGHTS = ['box2d.js',
+  IGNORE_COPYRIGHTS = ['benchmark.js',

[Michael Achenbach, 2016/11/07 07:34:37]

Will this have a problem with chromium's copyright check when we roll? Do we
need to blacklist it there too?

+                       'box2d.js',
                        'cpplint.py',
                        'check_injected_script_source.py',
                        'copy.js',
@@ -325,6 +326,7 @@ class SourceProcessor(SourceFileProcessor):
                        'sqlite-change-heap.js',
                        'sqlite-pointer-masking.js',
                        'sqlite-safe-heap.js',
+                       'traceur-runtime.js',
                        'v8-debugger-script.h',
                        'v8-function-call.cc',
                        'v8-function-call.h',