[RuntimeCallStats] Exclude Adwords and Speedometer from Total calculation.

Adwords dominates the numbers and is flaky. Speedometer is measured elsewhere.

Perf sheriffs: This will change the numbers on the RuntimeStats benchmarks.

Change-Id: Id64863b41b95269987c95d48ce90f24cfa86b86d
Reviewed-on: https://chromium-review.googlesource.com/449674Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Commit-Queue: Ross McIlroy <rmcilroy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#43598}

tools/callstats.py

@@ -508,8 +508,15 @@ def create_total_page_stats(domains, args):
         sums.extend([0] * (i - len(sums) + 1))
       if item is not None:
         sums[i] += item
-  # Sum up all the entries/metrics from all domains
+  # Exclude adwords and speedometer pages from aggrigate total, since adwords
+  # dominates execution time and speedometer is measured elsewhere.
+  excluded_domains = ['adwords.google.com', 'speedometer-angular',
+                      'speedometer-jquery', 'speedometer-backbone',
+                      'speedometer-ember', 'speedometer-vanilla'];
+  # Sum up all the entries/metrics from all non-excluded domains
   for domain, entries in domains.items():
+    if domain in excluded_domains:
+      continue;
     for key, domain_stats in entries.items():
       if key not in total:
         total[key] = {}