Move timeline and importers to use telemetry.value.TraceValue

tools/telemetry/telemetry/timeline/model_unittest.py

Index: tools/telemetry/telemetry/timeline/model_unittest.py
diff --git a/tools/telemetry/telemetry/timeline/model_unittest.py b/tools/telemetry/telemetry/timeline/model_unittest.py
index 69c85c41834bebcfd7f1be1273cbc5a0fb237d03..f8b8104da3ec178b6580aed610e1e7e3e800ca47 100644
--- a/tools/telemetry/telemetry/timeline/model_unittest.py
+++ b/tools/telemetry/telemetry/timeline/model_unittest.py
@@ -4,12 +4,19 @@
 
 import unittest
 
-from telemetry.timeline import model
-from telemetry.timeline import tracing_timeline_data
+from telemetry.value import trace as trace_value_module
 
 class TimelineModelUnittest(unittest.TestCase):
   def testEmptyImport(self):
-    model.TimelineModel(
-        tracing_timeline_data.TracingTimelineData([]))
-    model.TimelineModel(
-        tracing_timeline_data.TracingTimelineData(''))
+    model_module.TimelineModel(trace_value_module.TraceValue())
+
+  def testBrowserProcess(self):
+    builder = trace_value_module.TraceValueBuilder()
+    builder.AddEventsTo(trace_value_module.CHROME_TRACE_PART, [
+      {"name": "process_name", "args": {"name": "Browser"},
+       "pid": 5, "ph": "M"},
+      {"name": "thread_name", "args": {"name": "CrBrowserMain"},
+       "pid": 5, "tid": 32578, "ph": "M"}
+    ])
+    model = model_module.TimelineModel(builder.AsValue())
+    self.assertEquals(model.browser_process.pid, 5)