Install the chrome event log provider together with the browser.

chrome/installer/setup/uninstall.cc

Index: chrome/installer/setup/uninstall.cc
diff --git a/chrome/installer/setup/uninstall.cc b/chrome/installer/setup/uninstall.cc
index e966cb74d14484a49d7178e7db4f23e47402702f..6c34c5087ef518195df54e5bffb87cb057daf0ec 100644
--- a/chrome/installer/setup/uninstall.cc
+++ b/chrome/installer/setup/uninstall.cc
@@ -1225,10 +1225,18 @@ InstallStatus UninstallProduct(const InstallationState& original_state,
       // Delete media player registry key that exists only in HKLM.
       // We don't delete this key in SxS uninstall or Chrome Frame uninstall
       // as we never set the key for those products.
-      base::string16 reg_path(installer::kMediaPlayerRegPath);
-      reg_path.push_back(base::FilePath::kSeparators[0]);
-      reg_path.append(installer::kChromeExe);
-      InstallUtil::DeleteRegistryKey(HKEY_LOCAL_MACHINE, reg_path,
+      base::string16 media_player_reg_path(installer::kMediaPlayerRegPath);

[grt (UTC plus 2), 2016/11/16 15:04:44]

personal preference: i would keep this as reg_path and reuse the same string
instance below to reduce stack and heap usage.

[pastarmovj, 2016/11/17 15:34:43]

Done.

+      media_player_reg_path.push_back(base::FilePath::kSeparators[0]);
+      media_player_reg_path.append(installer::kChromeExe);
+      InstallUtil::DeleteRegistryKey(HKEY_LOCAL_MACHINE, media_player_reg_path,
+                                     WorkItem::kWow64Default);
+      // Remove the event log provider registration as we are going to delete

[grt (UTC plus 2), 2016/11/16 15:04:44]

nit: blank line before this

[pastarmovj, 2016/11/17 15:34:43]

Done.

+      // the file which serves the resources anyways.
+      base::string16 eventlog_reg_path(installer::kEventlogProvidersRegPath);
+      // registry paths can also be appended like file system path
+      eventlog_reg_path.push_back(base::FilePath::kSeparators[0]);
+      eventlog_reg_path.append(installer::kChromeEventLogProviderName);
+      InstallUtil::DeleteRegistryKey(HKEY_LOCAL_MACHINE, eventlog_reg_path,
                                      WorkItem::kWow64Default);
     }