[test] Skip some tests on the coverage bot.

BUG=chromium:568949
LOG=n
NOTRY=true

Review URL: https://codereview.chromium.org/1520163003

Cr-Commit-Position: refs/heads/master@{#32840}

test/mjsunit/mjsunit.status

@@ -1066,4 +1066,12 @@
   'unicodelctest-no-optimization': [SKIP],
 }],  # ignition == True and (arch == arm or arch == arm64)
 
+##############################################################################
+['gcov_coverage', {
+  # Tests taking too long.
+  'array-functions-prototype-misc': [SKIP],
+  'strong/implicit-conversions': [SKIP],
+  'strong/load-element-mutate-backing-store': [SKIP],
+}],  # 'gcov_coverage'
+
 ]

test/webkit/webkit.status

@@ -94,5 +94,12 @@
   # Skip tests that timeout.
 }],  # 'gc_stress == True and mode == debug'
 
+##############################################################################
+['gcov_coverage', {
+  # Tests taking too long or getting too large call stacks.
+  'fast/js/excessive-comma-usage': [SKIP],
+  'run-json-stringify': [SKIP],
+}],  # 'gcov_coverage'
+
 ##############################################################################
 ]

tools/run-deopt-fuzzer.py

@@ -390,6 +390,7 @@ def Execute(arch, mode, args, options, suites, workspace):
     "asan": options.asan,
     "deopt_fuzzer": True,
     "gc_stress": False,
+    "gcov_coverage": False,
     "ignition": False,
     "isolates": options.isolates,
     "mode": mode,

tools/run-tests.py

@@ -224,6 +224,9 @@ def BuildOptions():
   result.add_option("--gc-stress",
                     help="Switch on GC stress mode",
                     default=False, action="store_true")
+  result.add_option("--gcov-coverage",
+                    help="Uses executables instrumented for gcov coverage",
+                    default=False, action="store_true")
   result.add_option("--command-prefix",
                     help="Prepended to each shell command used to run a test",
                     default="")
@@ -688,6 +691,7 @@ def Execute(arch, mode, args, options, suites):
     "asan": options.asan,
     "deopt_fuzzer": False,
     "gc_stress": options.gc_stress,
+    "gcov_coverage": options.gcov_coverage,
     "ignition": options.ignition,
     "isolates": options.isolates,
     "mode": MODES[mode]["status_mode"],