[Telemetry] Explicitly define Name() method for all perf benchmarks

tools/perf/benchmarks/oilpan_gc_times.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 page_sets
 from benchmarks import blink_perf
 from benchmarks import silk_flags
 from measurements import oilpan_gc_times
 from telemetry import benchmark
 from telemetry.core import util
 from telemetry import page
 
 
 class OilpanGCTimesBlinkPerfAnimation(benchmark.Benchmark):
   tag = 'blink_perf_animation'
   test = oilpan_gc_times.OilpanGCTimesForBlinkPerf
 
+  @classmethod
+  def Name(cls):
+    return 'oilpan_gc_times.blink_perf_animation'
+
   def CreatePageSet(self, options):
     path = os.path.join(blink_perf.BLINK_PERF_BASE_DIR, 'Animation')
     return blink_perf.CreatePageSetFromPath(path, blink_perf.SKIPPED_FILE)
 
 
 @benchmark.Enabled('content-shell')
 class OilpanGCTimesBlinkPerfStress(benchmark.Benchmark):
   tag = 'blink_perf_stress'
   test = oilpan_gc_times.OilpanGCTimesForInternals
 
+  @classmethod
+  def Name(cls):
+    return 'oilpan_gc_times.blink_perf_stress'
+
   def CreatePageSet(self, options):
     path = os.path.join(blink_perf.BLINK_PERF_BASE_DIR, 'BlinkGC')
     return blink_perf.CreatePageSetFromPath(path, blink_perf.SKIPPED_FILE)
 
 
 class OilpanGCTimesSmoothnessAnimation(benchmark.Benchmark):
   test = oilpan_gc_times.OilpanGCTimesForSmoothness
   page_set = page_sets.ToughAnimationCasesPageSet
 
+  @classmethod
+  def Name(cls):
+    return 'oilpan_gc_times.tough_animation_cases'
+
 
 @benchmark.Enabled('android')
 class OilpanGCTimesKeySilkCases(benchmark.Benchmark):
   test = oilpan_gc_times.OilpanGCTimesForSmoothness
   page_set = page_sets.KeySilkCasesPageSet
 
+  @classmethod
+  def Name(cls):
+    return 'oilpan_gc_times.key_silk_cases'
+
 
 @benchmark.Enabled('android')
 class OilpanGCTimesSyncScrollKeyMobileSites(benchmark.Benchmark):
   tag = 'sync_scroll'
   test = oilpan_gc_times.OilpanGCTimesForSmoothness
   page_set = page_sets.KeyMobileSitesSmoothPageSet
   def CustomizeBrowserOptions(self, options):
     silk_flags.CustomizeBrowserOptionsForSyncScrolling(options)
+  @classmethod
+  def Name(cls):
+    return 'oilpan_gc_times.sync_scroll.key_mobile_sites_smooth'
+