Install the chrome event log provider together with the browser.

chrome/installer/setup/setup_util_unittest.cc

 // Copyright (c) 2012 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 "chrome/installer/setup/setup_util_unittest.h"
 
 #include <windows.h>
 #include <shlobj.h>
 
 #include <memory>
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   }
 
   ASSERT_FALSE(CurrentProcessHasPrivilege(kTestedPrivilege));
 }
 
 TEST(SetupUtilTest, GuidToSquid) {
   ASSERT_EQ(installer::GuidToSquid(L"EDA620E3-AA98-3846-B81E-3493CB2E0E02"),
             L"3E026ADE89AA64838BE14339BCE2E020");
 }
 
+TEST(SetupUtilTest, RegisterEventLogProvider) {
+  registry_util::RegistryOverrideManager registry_override_manager;
+  registry_override_manager.OverrideRegistry(HKEY_LOCAL_MACHINE);
+
+  const base::Version version("1.2.3.4");
+  const base::FilePath install_directory(
+      FILE_PATH_LITERAL("c:\\some_path\\test"));
+  installer::RegisterEventLogProvider(install_directory, version);
+
+  base::win::RegKey key;
+  static constexpr wchar_t kRegistryLocation[] =
+      L"SYSTEM\\CurrentControlSet\\Services\\EventLog\\Application\\chrome";
+  ASSERT_EQ(ERROR_SUCCESS,
+            key.Open(HKEY_LOCAL_MACHINE, kRegistryLocation, KEY_READ));
+  EXPECT_TRUE(key.HasValue(L"CategoryCount"));
+  EXPECT_TRUE(key.HasValue(L"TypesSupported"));
+  EXPECT_TRUE(key.HasValue(L"CategoryMessageFile"));
+  EXPECT_TRUE(key.HasValue(L"EventMessageFile"));
+  EXPECT_TRUE(key.HasValue(L"ParameterMessageFile"));
+  base::string16 value;
+  EXPECT_EQ(ERROR_SUCCESS, key.ReadValue(L"CategoryMessageFile", &value));
+  const base::FilePath expected_directory(
+      install_directory.AppendASCII(version.GetString()));
+  const base::FilePath provider_path(value);
+  EXPECT_EQ(expected_directory, provider_path.DirName());
+  key.Close();
+
+  installer::DeRegisterEventLogProvider();
+
+  EXPECT_NE(ERROR_SUCCESS,
+            key.Open(HKEY_LOCAL_MACHINE, kRegistryLocation, KEY_READ));
+}
+
 const char kAdjustProcessPriority[] = "adjust-process-priority";
 
 PriorityClassChangeResult DoProcessPriorityAdjustment() {
   return installer::AdjustProcessPriority() ? PCCR_CHANGED : PCCR_UNCHANGED;
 }
 
 namespace {
 
 // A scoper that sets/resets the current process's priority class.
 class ScopedPriorityClass {
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   }
 
   // Ensure that all values are absent.
   {
     base::win::RegistryValueIterator it(root_, path_.c_str());
     ASSERT_EQ(0u, it.ValueCount());
   }
 }
 
 }  // namespace installer