Switch gypbuild to use devenv instead of msbuild....

gypbuild.py

 #! /usr/bin/env python
 # Copyright 2009 Google Inc.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
 #
 #      http://www.apache.org/licenses/LICENSE-2.0
 #
 # Unless required by applicable law or agreed to in writing, software
@@ skipping 132 matching lines @@
         print ("ERROR: solution (%s) version does not match "
                "Visual Studio version (%s)" %
                (sln_map[solution_version], vs_version))
         print "You should 'set GYP_MSVS_VERSION=auto'"
         print "and run 'gclient runhooks --force'"
         sys.exit(1)
 
     def CleanTargets(self, targets, options):
       """Cleans the targets."""
       solution = self.GetSolutionPath()
-      self.Execute(['devenv.exe',
+      self.Execute(['devenv.com',
                     solution,
                     '/clean',
                     options.version])
 
     def Dobuild(self, targets, options):
       """Builds the specifed targets."""
       solution = self.GetSolutionPath()
       if not is_admin.IsAdmin():
         print ("WARNING: selenium_ie will not run unless you run as admin "
                "or turn off UAC.\nAfter switching to admin run "
                "'gclient runhooks --force'")
       self.CheckVisualStudioVersionVsSolution(solution)
-      self.Execute(['msbuild',
+      self.Execute(['devenv.com',
                     solution,
-                    '/p:Configuration=%s' % options.version])
+                    '/build',
+                    options.version])
+      # TODO(gman): Should I check for devenv and if it does not exist
+      # use msbuild? Msbuild is significantly slower than devenv.
+      #self.Execute(['msbuild',
+      #              solution,
+      #              '/p:Configuration=%s' % options.version])
 
   class LinuxBuilder(Builder):
     """Class for building on Linux."""
 
     def __init__(self, builder):
       GypBuilder.Builder.__init__(self, builder)
 
     def GetSolutionPath(self):
       """Gets the solution path."""
       return '%s_main.scons' % GypBuilder.base_name
@@ skipping 102 matching lines @@
     else:
       print " ".join(args)
 
 
 def main(args):
   GypBuilder(args[1:])
 
 if __name__ == "__main__":
   main(sys.argv)