Install the chrome event log provider together with the browser.

chrome/installer/setup/setup_util_unittest.cc

Index: chrome/installer/setup/setup_util_unittest.cc
diff --git a/chrome/installer/setup/setup_util_unittest.cc b/chrome/installer/setup/setup_util_unittest.cc
index eb62820e9c71c82078096257e982472c3b92cf5e..66ec7775751530721af5e880f9bf06f80d0790d1 100644
--- a/chrome/installer/setup/setup_util_unittest.cc
+++ b/chrome/installer/setup/setup_util_unittest.cc
@@ -193,6 +193,31 @@ TEST(SetupUtilTest, GuidToSquid) {
             L"3E026ADE89AA64838BE14339BCE2E020");
 }
 
+TEST(SetupUtilTest, RegisterEventLogProvider) {
+  registry_util::RegistryOverrideManager registry_override_manager;
+  registry_override_manager.OverrideRegistry(HKEY_LOCAL_MACHINE);
+
+  base::FilePath install_directory(FILE_PATH_LITERAL("c:\\some_path\\test"));
+  installer::RegisterEventLogProvider(install_directory, "1.2.3.4");
+
+  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"));

[grt (UTC plus 2), 2016/11/24 07:49:34]

please add an expectation that the path was composed properly for these

[pastarmovj, 2016/11/24 09:51:09]

Done.

+  EXPECT_TRUE(key.HasValue(L"EventMessageFile"));
+  EXPECT_TRUE(key.HasValue(L"ParameterMessageFile"));
+  key.Close();
+
+  installer::DeRegisterEventLogProvider();
+
+  EXPECT_NE(ERROR_SUCCESS,
+            key.Open(HKEY_LOCAL_MACHINE, kRegistryLocation, KEY_READ));
+}
+
 const char kAdjustProcessPriority[] = "adjust-process-priority";
 
 PriorityClassChangeResult DoProcessPriorityAdjustment() {