Disable registering, unregistering, and setting default browser...

chrome/browser/browser_init.cc

 // Copyright (c) 2009 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/browser_init.h"
 
 #include "app/l10n_util.h"
 #include "app/resource_bundle.h"
 #include "base/event_recorder.h"
 #include "base/path_service.h"
@@ skipping 22 matching lines @@
 #include "chrome/browser/tab_contents/tab_contents.h"
 #include "chrome/browser/tab_contents/tab_contents_view.h"
 #include "chrome/browser/net/url_fixer_upper.h"
 #include "chrome/browser/user_data_manager.h"
 #include "chrome/common/chrome_constants.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/result_codes.h"
 #include "chrome/common/url_constants.h"
+#include "chrome/installer/util/browser_distribution.h"
 #include "grit/chromium_strings.h"
 #include "grit/generated_resources.h"
 #include "grit/locale_settings.h"
 #include "grit/theme_resources.h"
 #include "net/base/net_util.h"
 #include "net/http/http_network_layer.h"
 #include "net/url_request/url_request.h"
 #include "webkit/glue/webkit_glue.h"
 
 #if defined(OS_MACOSX)
@@ skipping 133 matching lines @@
 };
 
 class CheckDefaultBrowserTask : public Task {
  public:
   CheckDefaultBrowserTask() {
   }
 
   virtual void Run() {
     if (ShellIntegration::IsDefaultBrowser())
       return;
+#if defined(OS_WIN)
+    if (!BrowserDistribution::GetDistribution()->CanSetAsDefault())
+      return;

[mattm, 2010/02/26 23:53:50]

could do this check before the IsDefaultBrowser call (not a huge deal, but I
recall IsDefaultBrowser being slightly expensive)

[huanr, 2010/02/27 00:02:34]

However we should optimize for the more common case, non-sxs default browser.

+#endif
 
     ChromeThread::PostTask(
         ChromeThread::UI, FROM_HERE, new NotifyNotDefaultBrowserTask());
   }
 
  private:
   DISALLOW_COPY_AND_ASSIGN(CheckDefaultBrowserTask);
 };
 
 // A delegate for the InfoBar shown when the previous session has crashed. The
@@ skipping 722 matching lines @@
   scoped_refptr<AutomationProviderClass> automation =
       new AutomationProviderClass(profile);
   automation->ConnectToChannel(channel_id);
   automation->SetExpectedTabCount(expected_tabs);
 
   AutomationProviderList* list =
       g_browser_process->InitAutomationProviderList();
   DCHECK(list);
   list->AddProvider(automation);
 }