Add form validation message strings....

webkit/glue/webkit_strings.grd

 <?xml version="1.0" encoding="UTF-8"?>
 
 <!-- This file contains definitions of resources that will be translated for
 each locale. Specifically, these are UI strings that are used by webkit that
 need to be translated for each locale.-->
 
 <!-- Some of these strings and string descriptions were taken from
 WebKit/win/WebCoreLocalizedStrings.cpp so we include the original license
 below:
 
@@ skipping 279 matching lines @@
         jump
       </message>
 
       <message name="IDS_KEYGEN_HIGH_GRADE_KEY" desc="High-grade cryptographic key size menu item">
         2048 (High Grade)
       </message>
       <message name="IDS_KEYGEN_MED_GRADE_KEY" desc="Medium-grade cryptographic key size menu item">
         1024 (Medium Grade)
       </message>
 
+      <message name="IDS_FORM_VALIDATION_VALUE_MISSING_MULTIPLE_FILE" desc="Heading or short sentence shown when a file upload control in a web page requires one or more files selected, but the user didn't specify any files.">
+        Please select one or more files.
+      </message>
+      <message name="IDS_FORM_VALIDATION_TYPE_MISMATCH" desc="Heading or short sentence shown when a form control in a web page requires specific type such as email address or URL, but the specified value does not comform to the type.">
+        Invalid value.
+      </message>
+      <message name="IDS_FORM_VALIDATION_TYPE_MISMATCH_MULTIPLE_EMAIL" desc="Heading or short sentence shown there is a field which accepts multiple e-mail addresses and a user specified a value which is not a comma-separated e-mail addresses.">
+        Please enter a comma separated list of email addresses.
+      </message>
+      <message name="IDS_FORM_VALIDATION_RANGE_UNDERFLOW" desc="Heading or short sentence shown when a form control value in a web page needs to be larger than or equal to a minimum value specified by the page author, but a user specified a too small value.">
+        Value must be greater than or equal to <ph name="MINIMUM">$1<ex>0</ex></ph>.
+      </message>
+      <message name="IDS_FORM_VALIDATION_RANGE_OVERFLOW" desc="Heading or short sentence shown when a form control value in a web page needs to be smaller than or equal to a maximum value specified by the page author, but a user specified a too large value.">
+        Value must be less than or equal to <ph name="MAXIMUM">$1<ex>100</ex></ph>.
+      </message>
+      <message name="IDS_FORM_VALIDATION_STEP_MISMATCH" desc="Heading or short sentence shown when a form control value in a web page should be aligned to a step value specified by the page author, but a user speficified non-aligned value. e.g. A number type field, minimum value is 0, and step value is 4. If A user-specified value is not a multiple of 4, this warning message is shown.">
+        Invalid value.
+      </message>
+
+<!-- The following IDS_FORM_VALIDATION_* messages were taken from Mozilla's dom.properties file.
+
+# ***** BEGIN LICENSE BLOCK *****
+# Version: MPL 1.1/GPL 2.0/LGPL 2.1
+#
+# The contents of this file are subject to the Mozilla Public License Version
+# 1.1 (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.mozilla.org/MPL/
+#
+# Software distributed under the License is distributed on an "AS IS" basis,
+# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+# for the specific language governing rights and limitations under the
+# License.
+#
+# The Original Code is mozilla.org code.
+#
+# The Initial Developer of the Original Code is
+# Netscape Communications Corporation.
+# Portions created by the Initial Developer are Copyright (C) 2001
+# the Initial Developer. All Rights Reserved.
+#
+# Contributor(s):
+#   Mitch <mstoltz@netscape.com> (original author)
+#   Ehsan Akhgari <ehsan.akhgari@gmail.com>
+#
+# Alternatively, the contents of this file may be used under the terms of
+# either of the GNU General Public License Version 2 or later (the "GPL"),
+# or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+# in which case the provisions of the GPL or the LGPL are applicable instead
+# of those above. If you wish to allow use of your version of this file only
+# under the terms of either the GPL or the LGPL, and not to allow others to
+# use your version of this file under the terms of the MPL, indicate your
+# decision by deleting the provisions above and replace them with the notice
+# and other provisions required by the GPL or the LGPL. If you do not delete
+# the provisions above, a recipient may use your version of this file under
+# the terms of any one of the MPL, the GPL or the LGPL.
+#
+# ***** END LICENSE BLOCK *****
+-->
+      <message name="IDS_FORM_VALIDATION_VALUE_MISSING" desc="Heading or short sentence shown when a text form control in a web page requires a value, but the user didn't specify any value.">
+        Please fill out this field.
+      </message>
+      <message name="IDS_FORM_VALIDATION_VALUE_MISSING_CHECKBOX" desc="Heading or short sentence shown when a checkbox control in a web page requires to be checked, but the user didn't check it.">
+        Please check this box if you want to proceed.
+      </message>
+      <message name="IDS_FORM_VALIDATION_VALUE_MISSING_FILE" desc="Heading or short sentence shown when a file upload control in a web page requires a file selected, but the user didn't specify any file.">
+        Please select a file.
+      </message>
+      <message name="IDS_FORM_VALIDATION_VALUE_MISSING_RADIO" desc="Heading or short sentence shown when a radio button of a radio button group in a web page requires to be selected, but the user selected nothing.">
+        Please select one of these options.
+      </message>
+      <message name="IDS_FORM_VALIDATION_VALUE_MISSING_SELECT" desc="Heading or short sentence shown when a value of a menu-list control in a web page requires to be selected, but the user selected nothing.">
+        Please select an item in the list.
+      </message>
+      <message name="IDS_FORM_VALIDATION_TYPE_MISMATCH_EMAIL" desc="Heading or short sentence shown when there is an email field in a form and a user specified a value which doesn't look like an e-mail address.">
+        Please enter an email address.
+      </message>
+      <message name="IDS_FORM_VALIDATION_TYPE_MISMATCH_URL" desc="Heading or short sentence shown when there is a URL field in a form and a user specified a value which doesn't look like a URL.">
+        Please enter a URL.
+      </message>
+      <message name="IDS_FORM_VALIDATION_PATTERN_MISMATCH" desc="Heading or short sentence shown when a form control value needs to satisfy a pattern specified by the page author, but a user specified unmatched value.">
+        Please match the requested format.
+      </message>
+      <message name="IDS_FORM_VALIDATION_TOO_LONG" desc="Heading or short sentence shown when a form control in a web page needs to be shoter than a length specified by the page author, but a user specified long value.">
+        Please shorten this text to <ph name="MAX_CHARACTERS">$2<ex>100</ex></ph> characters or less (you are currently using <ph name="CURRENT_LENGTH">$1<ex>101</ex></ph> characters).
+      </message>
+
       <message name="IDS_DEFAULT_PLUGIN_GET_PLUGIN_MSG" desc="Message displayed by the default plugin in its main window">
         <ph name="PLUGIN">$1<ex>Realplayer</ex></ph> plug-in is not installed
       </message>
 
       <message name="IDS_DEFAULT_PLUGIN_GET_PLUGIN_MSG_NO_PLUGIN_NAME" desc="Message displayed by the default plugin in its main window when we don't know the plugin name">
         The required plug-in is not installed
       </message>
 
       <message name="IDS_DEFAULT_PLUGIN_GET_PLUGIN_MSG_2" desc="Second Message displayed by the default plugin in its main window">
         Click here to download plug-in
@@ skipping 56 matching lines @@
       <message name="IDS_PDF_PAGE_LOADING" desc="A message displayed on the PDF page while page is loading.">
         Loading...
       </message>
 
       <message name="IDS_PDF_LOADING_PROGRESS" desc="A message displayed on the PDF control to indicate loading progress.">
         Loading document: <ph name="PAGE_NUMBER">%d<ex>3</ex></ph>/<ph name="NUMBER_OF_PAGES">%d<ex>15</ex></ph> pages...
       </message>
     </messages>
   </release>
 </grit>