Implement the Windows desktop search redirection feature.

chrome/browser/ui/startup/startup_browser_creator.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_STARTUP_STARTUP_BROWSER_CREATOR_H_
 #define CHROME_BROWSER_UI_STARTUP_STARTUP_BROWSER_CREATOR_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 118 matching lines @@
   friend class StartupBrowserCreatorImpl;
   FRIEND_TEST_ALL_PREFIXES(StartupBrowserCreatorTest,
                            ReadingWasRestartedAfterNormalStart);
   FRIEND_TEST_ALL_PREFIXES(StartupBrowserCreatorTest,
                            ReadingWasRestartedAfterRestart);
   FRIEND_TEST_ALL_PREFIXES(StartupBrowserCreatorTest, UpdateWithTwoProfiles);
   FRIEND_TEST_ALL_PREFIXES(StartupBrowserCreatorTest, LastUsedProfileActivated);
   FRIEND_TEST_ALL_PREFIXES(StartupBrowserCreatorWinTest,
                            GetURLsFromCommandLineWithDesktopSearchURL);
 
-  // Returns the list of URLs to open from the command line. The returned
-  // vector is empty if the user didn't specify any URLs on the command line.
+  // Returns the list of URLs to open from the command line. The returned vector
+  // is empty if the user didn't specify any URLs on the command line.
+  // |should_show_desktop_search_infobar| is set to true if an infobar should
+  // be shown to inform the user that a desktop search has been redirected to
+  // the default search engine.
   static std::vector<GURL> GetURLsFromCommandLine(
       const base::CommandLine& command_line,
       const base::FilePath& cur_dir,
-      Profile* profile);
+      Profile* profile,
+      bool* should_show_desktop_search_infobar);

[Peter Kasting, 2016/01/20 03:03:01]

Nit: I might name this |show_search_redirection_infobar|, since "redirection"
seems like the critical bit of info the infobar is communicating.  (Similar
comment applies to temp names in the .cc file, the name of the infobar delegate
class, etc.)

[fdoray, 2016/01/21 21:02:33]

Done.

 
   static bool ProcessCmdLineImpl(const base::CommandLine& command_line,
                                  const base::FilePath& cur_dir,
                                  bool process_startup,
                                  Profile* last_used_profile,
                                  const Profiles& last_opened_profiles,
                                  StartupBrowserCreator* browser_creator);
 
   // This function performs command-line handling and is invoked only after
   // start up (for example when we get a start request for another process).
@@ skipping 41 matching lines @@
 // Returns true if |profile| has exited uncleanly and has not been launched
 // after the unclean exit.
 bool HasPendingUncleanExit(Profile* profile);
 
 // Returns the path that contains the profile that should be loaded on process
 // startup.
 base::FilePath GetStartupProfilePath(const base::FilePath& user_data_dir,
                                      const base::CommandLine& command_line);
 
 #endif  // CHROME_BROWSER_UI_STARTUP_STARTUP_BROWSER_CREATOR_H_