Inactive user toast. Set chrome as default.

chrome/browser/chrome_browser_main.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/browser/chrome_browser_main.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
@@ skipping 776 matching lines @@
       return TryChromeDialogView::NOT_NOW;
     }
     int try_chrome_int;
     base::StringToInt(try_chrome, &try_chrome_int);
     TryChromeDialogView::Result answer =
         TryChromeDialogView::Show(try_chrome_int, process_singleton_.get());
     if (answer == TryChromeDialogView::NOT_NOW)
       return chrome::RESULT_CODE_NORMAL_EXIT_CANCEL;
     if (answer == TryChromeDialogView::UNINSTALL_CHROME)
       return chrome::RESULT_CODE_NORMAL_EXIT_EXP2;
+    // At this point the user is willing to try chrome again.
+    if (answer == TryChromeDialogView::TRY_CHROME_AS_DEFAULT) {
+      // Only set in the unattended case, the interactive case is Windows 8.
+      if (ShellIntegration::CanSetAsDefaultBrowser() ==
+          ShellIntegration::SET_DEFAULT_UNATTENDED)
+        ShellIntegration::SetAsDefaultBrowser();
+    }
 #else
     // We don't support retention experiments on Mac or Linux.
     return content::RESULT_CODE_NORMAL_EXIT;
 #endif  // defined(OS_WIN)
   }
 
   // On first run, we need to process the predictor preferences before the
   // browser's profile_manager object is created, but after ResourceBundle
   // is initialized.
   first_run_ui_bypass_ = false;  // True to skip first run UI.
@@ skipping 704 matching lines @@
     if (base::win::GetVersion() <= base::win::VERSION_XP)
       uma_name += "_XP";
 
     uma_name += "_PreRead_";
     uma_name += pre_read_percentage;
     AddPreReadHistogramTime(uma_name.c_str(), time);
   }
 #endif
 #endif
 }