Add Chart JSON processing to Telemetry.

tools/telemetry/telemetry/value/string_unittest.py

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 import os
 import unittest
 
 from telemetry import value
 from telemetry.page import page_set
 from telemetry.value import string
 
 class TestBase(unittest.TestCase):
   def setUp(self):
     self.page_set = page_set.PageSet(file_path=os.path.dirname(__file__))
     self.page_set.AddPageWithDefaultRunNavigate("http://www.bar.com/")
     self.page_set.AddPageWithDefaultRunNavigate("http://www.baz.com/")
     self.page_set.AddPageWithDefaultRunNavigate("http://www.foo.com/")
 
   @property
   def pages(self):
     return self.page_set.pages
 
 class StringValueTest(TestBase):
   def testBuildbotValueType(self):
     page0 = self.pages[0]
     v = string.StringValue(page0, 'x', 'label', 'L1', important=True)
     self.assertEquals('default', v.GetBuildbotDataType(
         value.COMPUTED_PER_PAGE_SUMMARY_OUTPUT_CONTEXT))
     self.assertEquals(['L1'], v.GetBuildbotValue())
     self.assertEquals(('x', page0.display_name),
-                      v.GetBuildbotMeasurementAndTraceNameForPerPageResult())
+                      v.GetChartAndTraceNameForPerPageResult())
 
     v = string.StringValue(page0, 'x', 'label', 'L1', important=False)
     self.assertEquals(
         'unimportant',
         v.GetBuildbotDataType(value.COMPUTED_PER_PAGE_SUMMARY_OUTPUT_CONTEXT))
 
   def testStringSamePageMerging(self):
     page0 = self.pages[0]
     v0 = string.StringValue(page0, 'x', 'label', 'L1')
     v1 = string.StringValue(page0, 'x', 'label', 'L2')
@@ skipping 32 matching lines @@
       'type': 'string',
       'name': 'x',
       'units': 'unit',
       'value': 'foo'
     }
 
     v = value.Value.FromDict(d, {})
 
     self.assertTrue(isinstance(v, string.StringValue))
     self.assertEquals(v.value, 'foo')