Open Chrome Window instead of tab when it is launched from a shortcut.

chrome/browser/browser_init.cc

 // Copyright (c) 2006-2008 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 "base/basictypes.h"
 #include "base/command_line.h"
 #include "base/event_recorder.h"
 #include "base/path_service.h"
@@ skipping 176 matching lines @@
   }
 
   // Open the required browser windows and tabs.
   // First, see if we're being run as a web application (thin frame window).
   if (!OpenApplicationURL(profile)) {
     std::vector<GURL> urls_to_open = GetURLsFromCommandLine(profile_);
     // Always attempt to restore the last session. OpenStartupURLs only opens
     // the home pages if no additional URLs were passed on the command line.
     if (!OpenStartupURLs(process_startup, urls_to_open)) {
       // Add the home page and any special first run URLs.
-      AddStartupURLs(&urls_to_open);
-      OpenURLsInBrowser(BrowserList::GetLastActive(), process_startup,
-                        urls_to_open);
+      Browser* browser = NULL;
+      if (urls_to_open.empty())
+        AddStartupURLs(&urls_to_open);
+      else
+        browser = BrowserList::GetLastActive();
+      OpenURLsInBrowser(browser, process_startup, urls_to_open);
     }
   }
 
   // If we're recording or playing back, startup the EventRecorder now
   // unless otherwise specified.
   if (!command_line_.HasSwitch(switches::kNoEvents)) {
     std::wstring script_path;
     PathService::Get(chrome::FILE_RECORDED_SCRIPT, &script_path);
 
     bool record_mode = command_line_.HasSwitch(switches::kRecordMode);
@@ skipping 279 matching lines @@
   bool launched = lwp.Launch(profile, process_startup);
   if (!launched) {
     LOG(ERROR) << "launch error";
     if (return_code != NULL)
       *return_code = ResultCodes::INVALID_CMDLINE_URL;
     return false;
   }
 
   return true;
 }