Disabling memory.top_7_stress perf test on webview

tools/perf/benchmarks/memory.py

Index: tools/perf/benchmarks/memory.py
diff --git a/tools/perf/benchmarks/memory.py b/tools/perf/benchmarks/memory.py
index 7da9c50b3e0648485416ea6dc8320ad0cc46ca73..af68150e644d96d077ab117bf1a1f2a0a56ed08a 100644
--- a/tools/perf/benchmarks/memory.py
+++ b/tools/perf/benchmarks/memory.py
@@ -23,7 +23,8 @@ class MemoryMobile(perf_benchmark.PerfBenchmark):
 # Disable on reference due to crbug.com/539728
 # Disable on all Mac as it's also failing on 10.11 and retina.
 # crbug.com/555045
-@benchmark.Disabled('mac', 'reference')
+# Disabling on WebView due to crbug.com/621489
+@benchmark.Disabled('mac', 'android-webview', 'reference')
 class MemoryTop7Stress(perf_benchmark.PerfBenchmark):
   """Use (recorded) real world web sites and measure memory consumption."""
   test = memory.Memory