Proper setup of PerfettoTracedProcess in PerfettoIntegrationTest and …

…TracingConsumerTest.

Without it running whole PerfettoIntegrationTest suite will end with a crash at
the second test, due to invalid task runner in PerfettoTracedProcess and
TracingConsumerTest will fail in LargeDataSize and PrivacyFilterConfigInJson tests due
to invalid data sources in PerfettoTracedProcess

Change-Id: I952afa3226d085916fae047158c1a62b0ac14c13
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1658472
Commit-Queue: Michal Pichlinski <mpichlinski@opera.com>
Reviewed-by: oysteine <oysteine@chromium.org>
Cr-Commit-Position: refs/heads/master@{#669138}

services/tracing/perfetto/consumer_host_unittest.cc

@@ -286,6 +286,7 @@ class TracingConsumerTest : public testing::Test,
  public:
   void SetUp() override {
     PerfettoTracedProcess::ResetTaskRunnerForTesting();
+    PerfettoTracedProcess::Get()->ClearDataSourcesForTesting();
     threaded_service_ = std::make_unique<ThreadedPerfettoService>();
 
     matching_packet_count_ = 0;

services/tracing/perfetto/perfetto_integration_unittest.cc

@@ -37,6 +37,7 @@ const char kPerfettoProducerName[] = "org.chromium.perfetto_producer.123";
 class PerfettoIntegrationTest : public testing::Test {
  public:
   void SetUp() override {
+    PerfettoTracedProcess::Get()->ResetTaskRunnerForTesting();
     PerfettoTracedProcess::Get()->ClearDataSourcesForTesting();
     data_source_ =
         std::make_unique<TestDataSource>(kPerfettoTestDataSourceName, 0);