Beacons for tracking default browser status.

chrome/installer/setup/install.cc

Index: chrome/installer/setup/install.cc
diff --git a/chrome/installer/setup/install.cc b/chrome/installer/setup/install.cc
index 68ecef4479410e99f5d6d03b68edc20301add5f8..58272b7f454da3a8d6398b386d8d881894f23155 100644
--- a/chrome/installer/setup/install.cc
+++ b/chrome/installer/setup/install.cc
@@ -25,6 +25,7 @@
 #include "chrome/installer/setup/install_worker.h"
 #include "chrome/installer/setup/setup_constants.h"
 #include "chrome/installer/util/auto_launch_util.h"
+#include "chrome/installer/util/beacons.h"
 #include "chrome/installer/util/browser_distribution.h"
 #include "chrome/installer/util/create_reg_key_work_item.h"
 #include "chrome/installer/util/delete_after_reboot_helper.h"
@@ -582,6 +583,13 @@ InstallStatus InstallOrUpdateProduct(
               installer_state.target_path());
         }
       }
+
+      if (!installer_state.system_install()) {
+        DCHECK_EQ(chrome_product->distribution(),
+                  BrowserDistribution::GetDistribution());
+        UpdateDefaultBrowserBeaconForPath(
+            installer_state.target_path().Append(installer::kChromeExe));
+      }
     }
 
     installer_state.UpdateStage(installer::REMOVING_OLD_VERSIONS);
@@ -617,6 +625,11 @@ void HandleOsUpgradeForBrowser(const installer::InstallerState& installer_state,
     CreateOrUpdateShortcuts(
         chrome_exe, chrome, prefs, level, INSTALL_SHORTCUT_REPLACE_EXISTING);
     RegisterChromeOnMachine(installer_state, chrome, false);
+
+    UpdateOsUpgradeBeacon(installer_state.system_install(),

[gab, 2015/05/26 18:54:34]

Do we get the OS upgrade notification for user-level installs? For some reason
I'm having second thoughts and thinking this is perhaps system-level only though
I don't see why it would be..?

[grt (UTC plus 2), 2015/05/26 20:54:00]

Yes, the feature is agnostic to the install level.

+                          BrowserDistribution::GetDistribution());
+    if (!installer_state.system_install())
+      UpdateDefaultBrowserBeaconForPath(chrome_exe);
   }
 }
 
@@ -644,6 +657,8 @@ void HandleActiveSetupForBrowser(const base::FilePath& installation_root,
   base::FilePath chrome_exe(installation_root.Append(kChromeExe));
   CreateOrUpdateShortcuts(
       chrome_exe, chrome, prefs, CURRENT_USER, install_operation);
+
+  UpdateDefaultBrowserBeaconForPath(chrome_exe);
 }
 
 }  // namespace installer