Allow chrome to become the os default handler for arbitrary protocols on mac/win.

chrome/installer/setup/uninstall.cc

 // Copyright (c) 2011 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.
 //
 // This file defines the methods useful for uninstalling Chrome.
 
 #include "chrome/installer/setup/uninstall.h"
 
 #include "base/file_util.h"
 #include "base/path_service.h"
@@ skipping 541 matching lines @@
   InstallUtil::DeleteRegistryValueIf(
       root, ShellUtil::kRegStartMenuInternet, L"",
       InstallUtil::ValueEquals(dist->GetApplicationName() +
                                browser_entry_suffix));
 
   // Delete each protocol association if it references this Chrome.
   ProgramCompare open_command_pred(target_path.Append(kChromeExe));
   std::wstring parent_key(ShellUtil::kRegClasses);
   const std::wstring::size_type base_length = parent_key.size();
   std::wstring child_key;
-  for (const wchar_t* const* proto = &ShellUtil::kProtocolAssociations[0];
-       *proto != NULL; ++proto) {
+  for (const wchar_t* const* proto =
+           &ShellUtil::kPotentialProtocolAssociations[0];
+       *proto != NULL;
+       ++proto) {
     parent_key.resize(base_length);
     file_util::AppendToPath(&parent_key, *proto);
     child_key.assign(parent_key).append(ShellUtil::kRegShellOpen);
     InstallUtil::DeleteRegistryKeyIf(root, parent_key, child_key, L"",
                                      open_command_pred);
   }
 
   // Delete each filetype association if it references this Chrome.
   InstallUtil::ValueEquals prog_id_pred(ShellUtil::kChromeHTMLProgId +
                                         browser_entry_suffix);
@@ skipping 285 matching lines @@
 
   // Try and delete the preserved local state once the post-install
   // operations are complete.
   if (!backup_state_file.empty())
     file_util::Delete(backup_state_file, false);
 
   return ret;
 }
 
 }  // namespace installer