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

tools/perf/benchmarks/tab_switching.py

Index: tools/perf/benchmarks/tab_switching.py
diff --git a/tools/perf/benchmarks/tab_switching.py b/tools/perf/benchmarks/tab_switching.py
index dd82970949d4be8b33922c8c4aaf3d0208ffdc25..55fd603106540b009f20de0ea756a82290d876d1 100644
--- a/tools/perf/benchmarks/tab_switching.py
+++ b/tools/perf/benchmarks/tab_switching.py
@@ -20,6 +20,10 @@ class TabSwitchingTop10(benchmark.Benchmark):
   test = tab_switching.TabSwitching
   page_set = page_sets.Top10PageSet
 
+  @classmethod
+  def Name(cls):
+    return 'tab_switching.top_10'
+
 
 @benchmark.Enabled('has tabs')
 class TabSwitchingTypical25(benchmark.Benchmark):
@@ -33,6 +37,10 @@ class TabSwitchingTypical25(benchmark.Benchmark):
   test = tab_switching.TabSwitching
   page_set = page_sets.Typical25PageSet
 
+  @classmethod
+  def Name(cls):
+    return 'tab_switching.typical_25'
+
 
 @benchmark.Enabled('has tabs')
 class TabSwitchingFiveBlankTabs(benchmark.Benchmark):
@@ -47,6 +55,10 @@ class TabSwitchingFiveBlankTabs(benchmark.Benchmark):
   page_set = page_sets.FiveBlankPagesPageSet
   options = {'pageset_repeat': 10}
 
+  @classmethod
+  def Name(cls):
+    return 'tab_switching.five_blank_pages'
+
 
 @benchmark.Enabled('has tabs')
 class TabSwitchingToughEnergyCases(benchmark.Benchmark):
@@ -61,9 +73,17 @@ class TabSwitchingToughEnergyCases(benchmark.Benchmark):
   page_set = page_sets.ToughEnergyCasesPageSet
   options = {'pageset_repeat': 10}
 
+  @classmethod
+  def Name(cls):
+    return 'tab_switching.tough_energy_cases'
+
 
 @benchmark.Disabled  # Just for local testing, not on waterfall.
 class TabSwitchingFlashEnergyCases(benchmark.Benchmark):
   test = tab_switching.TabSwitching
   page_set = page_sets.FlashEnergyCasesPageSet
   options = {'pageset_repeat': 10}
+  @classmethod
+  def Name(cls):
+    return 'tab_switching.flash_energy_cases'
+