Enable storing last-dispatched exception per-thread.

components/browser_watcher/postmortem_report_collector_unittest.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/browser_watcher/postmortem_report_collector.h"
 
 #include <stdint.h>
 
 #include <memory>
 #include <set>
@@ skipping 323 matching lines @@
   // stability data.
   PostmortemReportCollector collector(kProductName, kVersionNumber,
                                       kChannelName, nullptr);
   StabilityReport report;
   ASSERT_EQ(DEBUG_FILE_NO_DATA, collector.CollectOneReport(file_path, &report));
 }
 
 namespace {
 
 // Parameters for the activity tracking.
-const size_t kFileSize = 2 * 1024;
+const size_t kFileSize = 64 << 10;  // 64 KiB
 const int kStackDepth = 6;
 const uint64_t kAllocatorId = 0;
 const char kAllocatorName[] = "PostmortemReportCollectorCollectionTest";
 const uint64_t kTaskSequenceNum = 42;
 const uintptr_t kTaskOrigin = 1000U;
 const uintptr_t kLockAddress = 1001U;
 const uintptr_t kEventAddress = 1002U;
 const int kThreadId = 43;
 const int kProcessId = 44;
 const int kAnotherThreadId = 45;
@@ skipping 392 matching lines @@
   PostmortemReportCollector collector(kProductName, kVersionNumber,
                                       kChannelName, &analyzer);
   StabilityReport report;
   ASSERT_EQ(SUCCESS, collector.CollectOneReport(debug_file_path(), &report));
 
   // Validate the report.
   ASSERT_EQ(SystemState::CLEAN, report.system_state().session_state());
 }
 
 }  // namespace browser_watcher