Add JavaScript dialogs functionality to content_shell on Windows

content/content_shell.gypi

Index: content/content_shell.gypi
diff --git a/content/content_shell.gypi b/content/content_shell.gypi
index 49fdafbf6df20209fa47d5f4bab9e59da0980b57..7a1d757efb9cb9c18e35bbd8e12b434715c2dae7 100644
--- a/content/content_shell.gypi
+++ b/content/content_shell.gypi
@@ -82,6 +82,7 @@
         'shell/shell_javascript_dialog_creator.cc',
         'shell/shell_javascript_dialog_creator.h',
         'shell/shell_javascript_dialog_mac.mm',
+        'shell/shell_javascript_dialog_win.cc',
         'shell/shell_javascript_dialog.h',
         'shell/shell_main_delegate.cc',
         'shell/shell_main_delegate.h',
@@ -259,6 +260,9 @@
           ],
         }],
         ['OS=="win"', {
+          'sources': [
+            'shell/shell.rc',
+          ],
           'configurations': {
             'Debug_Base': {
               'msvs_settings': {