telemetry: Add thread time to telmetry timeline.

tools/telemetry/telemetry/core/timeline/slice_unittest.py

Index: tools/telemetry/telemetry/core/timeline/slice_unittest.py
diff --git a/tools/telemetry/telemetry/core/timeline/slice_unittest.py b/tools/telemetry/telemetry/core/timeline/slice_unittest.py
index e2d6b822700e159e6943fa31dd81188659be74f0..8a75f0b46a9ac8bc440ae61de051843f34a6af72 100644
--- a/tools/telemetry/telemetry/core/timeline/slice_unittest.py
+++ b/tools/telemetry/telemetry/core/timeline/slice_unittest.py
@@ -11,10 +11,14 @@ class SliceTest(unittest.TestCase):
     # [      top          ]
     #   [ a  ]    [  b  ]
     #    [x]
-    top = Slice(None, 'cat', 'top', 0, duration=10)
-    a = Slice(None, 'cat', 'a', 1, duration=2)
-    x = Slice(None, 'cat', 'x', 1.5, duration=0.25)
-    b = Slice(None, 'cat', 'b', 5, duration=2)
+    top = Slice(None, 'cat', 'top', 0, duration=10, thread_timestamp=0,
+                thread_duration=5)
+    a = Slice(None, 'cat', 'a', 1, duration=2, thread_timestamp=0.5,
+              thread_duration=1)
+    x = Slice(None, 'cat', 'x', 1.5, duration=0.25, thread_timestamp=0.75,
+              thread_duration=0.125)
+    b = Slice(None, 'cat', 'b', 5, duration=2, thread_timestamp=None,
+              thread_duration=None)
     top.sub_slices.extend([a, b])
     a.sub_slices.append(x)
 
@@ -23,4 +27,8 @@ class SliceTest(unittest.TestCase):
 
     self.assertEquals(x.self_time, 0.25)
     self.assertEquals(a.self_time, 1.75) # 2 - 0.25
-    self.assertEquals(top.self_time, 6) # 10 - 2 -2
+    self.assertEquals(top.self_time, 6) # 10 - 2 - 2
+
+    self.assertEquals(x.self_thread_time, 0.125)
+    self.assertEquals(a.self_thread_time, 0.875) # 1 - 0.125
+    self.assertEquals(top.self_thread_time, None) # b has no thread time