Add automatic tests for Tick Processor.

test/mjsunit/tools/tickprocessor-test.gc-state

Index: test/mjsunit/tools/tickprocessor-test.gc-state
diff --git a/test/mjsunit/tools/tickprocessor-test.gc-state b/test/mjsunit/tools/tickprocessor-test.gc-state
new file mode 100644
index 0000000000000000000000000000000000000000..40f90db4f76e29d55c87a440dc277b061be5c81a
--- /dev/null
+++ b/test/mjsunit/tools/tickprocessor-test.gc-state
@@ -0,0 +1,21 @@
+Statistical profiling result from v8.log, (13 ticks, 0 unaccounted, 13 excluded).
+
+ [Shared libraries]:
+   ticks  total  nonlib   name
+
+ [JavaScript]:
+   ticks  total  nonlib   name
+
+ [C++]:
+   ticks  total  nonlib   name
+
+ [GC]:
+   ticks  total  nonlib   name
+      0    0.0%
+
+ [Bottom up (heavy) profile]:
+  Note: percentage shows a share of a particular caller in the total
+  amount of its parent calls.
+  Callers occupying less than 2.0% are not shown.
+
+   ticks parent  name