Implement the Windows desktop search redirection feature.

chrome/browser/ui/startup/startup_browser_creator.h

Index: chrome/browser/ui/startup/startup_browser_creator.h
diff --git a/chrome/browser/ui/startup/startup_browser_creator.h b/chrome/browser/ui/startup/startup_browser_creator.h
index c879683bafd6e28f5a268108bb91d0f06684116e..195f9f98ff012c77417890e85a703bf63071d29c 100644
--- a/chrome/browser/ui/startup/startup_browser_creator.h
+++ b/chrome/browser/ui/startup/startup_browser_creator.h
@@ -136,12 +136,16 @@ class StartupBrowserCreator {
   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,